Front Wheel Bearings 1966-77 Bronco. Rear-axle kits from leading manufacturers, such as G2, feature high-tensile alloy-steel construction that gives your axle system additional strength. Are they the same thing? The outside of the metal heats up much faster than the inside. (Note: The 7.5 GM rear used different pinion bearings in 1979-80 vs. the 81-up axles, so you want to make sure that the old bearings match up to your new pinion bearings). Add To Cart. . For custom-built rears, you have your choice, but how do you choose the appropriate spline count for your application? 1983 GMC K25 Pickup AAM 725 Series The molecules of the metal align, becoming denser, and thus the metal is stronger. Stack a few washers onto the stud, along with a lug nut. Since it was so widely used, there is a better possibility of finding one of them at a salvage yard thanlocating a 12-bolt. Sign up for our newsletter! The more splines on the shaft, the larger the diameter of the axle. Thats usually proven when used in high-performance, high-horsepower applications. 1981 Chevy K10 Pickup 1982 GMC K15 Pickup You can use an old brake drum to support the axle while you tap each stud into place with a hammer. Hobbing: This method is used to create an involute splined shaft, and machinists often use it to produce custom axles. Finding a 12-bolt that is affordable, is getting to be anearly impossible endeavor. 1987 GMC K25 Pickup. For the best experience on our site, be sure to turn on Javascript in your browser. Fords small block and big block engine families have their share of flexplate differences. Should be mounted on right hand side of vehicle. Sure, you know whats in there and what it does but are you willing to tear into it and rebuild the differential? These protrusions are larger than those on the 7.5 rearend. Front Axle (45) Front (38) OEM (27) Get Results; Carrier Style. 1987 Chevy K10 Pickup Fits Strange Medium Duty & Heavy Duty Front Brake Kits *. You will also notice the large, flat, cast-in protrusions at thefive andseven oclock positions. When the axle shaft breaks, the wheel can come out of the car, creating a potentially dangerous situation for everyone around it and being particularly destructive for the car. Timken brand. Starting at $27.00. Wheel End Parts, Bearings, Spindle Nuts, Etc; Ring & Pinion Sets; Master Overhaul Kits & Seals; Locking Differentials; Axleshafts; . 1979 GMC K25 Pickup The axle bearings, or wheel bearings, must support the entire weight of the vehicle. Every corner means that the one axle is pushing in on the wheel bearings and crossshaft pin in the differential, while the opposing axle is pulling on the C-clip. Dont worry; there is an easy fix. So arbitrarily upgrading to a larger count costs you money that may be better spent elsewhere. For the best experience on our site, be sure to turn on Javascript in your browser. Unfortunately, unless you have the two units side by side, it is nearly impossible to tell them apart. Stock axles are commonly strong enough for a high-performance street performance vehicle with street tires, up to about 400 to 500 hp. Certain GM axle assemblies use this design as well, specifically the Buick, Oldsmobile, and the occasional Pontiac 8.5-inch 10-bolt in A-Body cars. siu automotive 19.1K subscribers Subscribe 3.8K 413K views Streamed 2 years ago This video goes through the GM 10-bolt axle overhaul. The oval-shaped cover measures 8 5/16 inches by 10 9/16 inches. Corporate 10 Bolt/Dana 44 Front Axle Wheel Bearing Replacement Pt 1: Dissassembly 66,754 views Jun 23, 2014 One of the front wheel bearings on my Suburban went out, so I decided to use the. So, failures can occur. When it comes to Chevrolet rearends, its the 12-bolt that seems to get all the accolades. Furthermore, because upgrade kits feature larger-diameter shafts, you can haul and tow heavier loads . One other option for all three differentials is available: a spool. Install the lug nuts in a star pattern, tightening each one hand-tight to secure the wheel. For Strange M/D & H/D Front Brake Kits. The method of axle shaft retention is an important consideration. 1985 GMC K25 Pickup There are limits to the stock spline counts, and as you approach 750-plus hp, you may need a complete aftermarket axle assembly from Moser or Strange. Note that the shape of the splines are the same. How To: Rebuild a GM 8.5" Rear Axle 10 Bolt Chevy. Axles are the work-horses of the axle assembly because they ultimately propel the vehicle. Another way to tell the difference between an 8.2 and an 8.5 rearend is to pull the cover and look at the bolt holding the spider gear crosspin. Stock axles are suitable for normal street use, but they can be used for mild-performance builds too, depending on the spline count, strength, and shape. And if you add more power and harder driving conditions, they simply must be capable of taking a beating. Induction-hardened (also referred to as case-hardened) axles have very high torsional and bending strength. 1986 Chevy K10 Pickup Gear Ratio changes from 307 to 488 $325.00 . $200.00. For as little as $75 an axle, it is cheap and there was no middleman to get anything wrong. The 7.5- and 8.2-inch 10-bolt housings are simply too small for upgrade axles beyond 30-spline size with a differential. Only rolled or hobbed splines have this shape. Talk to the experts. Unlike lesser engines, the evolution of the big-block Chevy can be traced back to a prestigious great-great-grand pappy, the high-performance 425-hp L78 396, first available in 1965 Corvettes and Chevelles. Learn more Part Number: GM8.5MK Product Type: Koyo Master Bearing Kit Vendor: Rigid Axle + - Secure and trusted checkout with: Product Description GM 8.5" 10 Bolt Master Bearing Install Kit Description Package Includes: For a 10.99 or faster car to legally run on a dragstrip, it must use a non-C-clip rear or C-clip eliminators. The 7.5 rearend uses an oval cover and the housing has two small cast-in protrusions near two of the bottom cover bolts. The control arm-mounting ears on top of this 7.5 rearend denotes it is usable for any 1978-88 GM A or G-body intermediate like a Cutlass, Monte Carlo, El Camino, Malibu, Regal, or Grand Prix. Add to Compare . The head of the stud should be flush with the backside of the axle hub. If you do not have an impact wrench, you can use a socket wrench, but you will need a way to lock the axle hub from spinning. It was used in different models by all GM divisions with the exception of Cadillac. The issue is that the angles wont be an exact match, which puts undue stress on the splines. Auto Locking Hub Actuator 1997-02 Expedition. The OEM pinion nut is 1 1/4 inches. Part Number: B4200-K4. With thicker flanges, this means that they can handle more torsional and longitudinal stress, especially in a light car, such as a T-bucket dragster. GM Full-Floating 10.5" 14-Bolt Rear Axle. That way, you get what you want to fit your housing. Description. Many times when you are rebuilding an existing rear end you want to save the original pinion bearing shim and re use it under the new bearing. Chevrolet Blazer 1977-91 Chevrolet K1500 1977-991 Chevrolet K2500 1977-91 Chevrolet K5 Blazer 1977-91 Chevrolet Suburban 1977-91 Chevrolet Suburban 1977-90 GMC K1500 1977-91 GMC K2500 1977-91 GMC Suburban 1977-89 GMC Suburban 1977-90, 1987 - 1987 Chevrolet Blazer Custom Deluxe, 2023 Revolution Gear & Axle, Identifying Wranglers and Their Different Axles. We pressed the new bearings onto the carrier and the front pinion bearing and went ahead and put the assembly together into the housing. Regardless of how fine the cut is, it still rips the material apart. The 8.5-inch 10-bolt rearend is hugely popular because aftermarket carriers and gears are easily interchangeable. These axles are hard to find, and they can only be distinguished by taking them apart. That is theimpetus for why we decided to put this swap meet/junkyard identification guide together. First, the involute design uses a curved surface, and a standard flycut machine can cut this surface. Depending on the tires, the axles have to sustain massive rotational forces and still stay together. 1982 Chevy K10 Pickup Truck axles are a great choice for a budget street/strip build because of the higher spline counts. 1985 GMC K15 Pickup Future availability is unknown. Remove the lug nut and washers. Stock Chevy 10- and 12-bolt axle assemblies support up to 400 hp on street tires, with less on drag radials and even less on slicks. Want the latest ORD news, sales, information, and general scuttlebutt? Aftermarket axles use a wider range of alloys, depending on the manufacturers design. This seats the stud to the flange and you are ready to mount a wheel. Switching to the massive 35-spline carrier means upgrading to a Detroit Locker. They are the same except that the upper axle has more defined features. The 33-spline axles measure 1.41 inches, with a whopping 1.50-inch diameter in the 35-spline units. Most aftermarket axle manufacturers offer lightened axles. For the best experience on our site, be sure to turn on Javascript in your browser. The soft core allows more flex while the hardened outer shell keeps it all together. Zach got enlisted by a friend to help rebuild the 7.5" factory 10 Bolt rear in the G-Body Monte that he is working on, so naturally it became a teaching moment. 1984 GMC K25 Pickup ARB Air Locker $1,250.00. Aftermarket axles provide some upgrade potential, but size is not one of them. We were lucky and had a desirable contact pattern on both the drive and coast sides of the gear teeth. The aftermarket offers the passenger car 12-bolt with larger 33- and 35-spline axles. Spline failure is not that common, but it does happen, and it is usually a result of straight-cut splines. GM 9.5" REAR AXLE / SALISBURY / 12 BOLT, AAM 976Series The bearing is moved about 1 inch from the inside to the outside of the axle where it should ride on fresh steel. The pinion diameter is 1.438 inches, and has 25 splines. 9000. I use the GM special. Too much torque load for the axles results in a rotational fracture and axle failure. The wheel bearing end on the housing holds two components: the bearing and the seal. On this episode of Dirt Every Day Extra, Fred Williams and Dave Chappelle ask Offroad Designs Stephen Watson for some insight on these solid front axles and discuss which one you really want.https://www.motortrendondemand.com/subscribe/freetrial/?bnr=organic:bnr:yt:dede:ep233_fr_de:link:na:mtod All rights reserved. You need to order a set of uncut axles with no bolt pattern or splines and have your local guy do the finish work. After that we removed the old bearings and cleaned all the parts up in the solvent tank. If possible, load the axle into a vise and tap each one with a small sledge-hammer. Like many, we found ourselves with a rusty C10 project. The key to a properly flycut spline is keeping the depth above the hardening line, or having the axle re-hardened once cut. Gun-drilled axles are not as strong in terms of longitudinal force, so they cant take the bending forces experienced on the street. One Upper and One Lower, Two Kits Required Per Truck, Ultimate GM 8.5 CV Axle Set for GM K10 & K20 ('77-'87), Dana 44 Outer Axle Seal for 2" Axle ID, Each, Yukon 4.11 ratio ring & pinion for corporate 10 bolt front or rear, Yukon 5.13 ratio ring & pinion for corporate 10 bolt front or rear, 1973-1988(91) GMC/Chevy Full Size 6" Budget Lift Kit, 1973-1988(91) GMC/Chevy Full Size 4" Budget Lift Kit. CV axles, or constant velocity axles, are specialized drivetrain parts that transmit motion from the transmission to the wheels of your front-wheel, rear-wheel or four-wheel drive. Drivetrain. Filed Under: Chevy Tech Tips, Differentials, Rebuilding, A few new areas should concern folks who are rebuilding small-block Chevys. CLICK HERE for More Details Part Number: 36326-2. On a single page you may see several cam specs given, and many [Click here to read more], Cylinder Numbers andFiring Order 1973-89 Pre-Bent Transmission Lines. The Problem: 10-Bolt Rear GM's 8.5-inch, 10-bolt rear axle is one of our least favorite -ton axles. The oval-shaped cover measures 8 5/16 inches by 10 9/16 inches. Therefore, the bearings need to be in good condition and the axle surface they ride on needs to be perfectly round and smooth. Moser Engineering uses 1541H alloy steel for all of their axles, including stock replacement axles. There are a couple of potential strength issues with cut splines. Want the latest ORD news, sales, information, and general scuttlebutt? (Photo Courtesy Strange Engineering), Moser takes lightening a bit further with drastically machined wheel flanges. Most 8.5-inch 10-bolts installed in trucks received 30-spline axles. Although the 7.5-inch 10-bolt closely resembles the 8.5-inch housing, you can positively identify the Chevy 7.5-inch rearend by measuring it. 1977 GMC K15 Pickup 1980 GMC K25 Pickup Unless your drag car only sees occasional street/strip use (a few trips to the cruise night a year), induction hardening is the best choice for the axles. Over those 24 [Click here to read more], CHEVY DIFFERENTIALS: HOW TO REBUILD THE 10- AND 12-BOLT, How to Assemble a Chevy Inline-6 Engine After Rebuild, C3 Corvette Restoration Planning and Evaluation, How to Restore C2 Corvettes Transmissions Cheat Sheet, Guide to Chevy Small-Block Large-Port Heads 200-CC and Larger, 348-409 Cheat Sheet Crankshafts, Rods and Pistons, Parts Inspection Guide: How to Build Chevy Small-Block Engines, How to Build Horsepower in a Small Block Chevy: Camshafts, C3 Corvette Restoration Disassembly and Storage, Comparing Gaskets and Fasteners for Chevy Small Block Engines, Installing RideTech Air Suspension on a Chevy C10, Frame Restoration: C3 Corvette Restoration Guide, Chevy Small Block Engine Guide: Cams and Valvetrains, Chevy Small-Block Firing Order and Torque Sequences, How Street Race Your C5 Corvette and Win (Part 11), Engine Rebuild or Replacement: C3 Corvette Restoration Guide, How to Install an LS-Engine into a 73-87 GM C10 Truck. A typical GM 8.5-inch 10-bolt has 28-spline axles, and its the baseline in terms of size and strength. Axles are available in different sizes and spline counts. Once you give everything a thorough inspection you can begin the re-assembly process. However, you need to install a larger aftermarket housing or center section to accommodate those larger-diameter axle shafts. Like all Chevy 10-bolts, the axles are retained by C-clips on the inner end of the axle shaft inside the carrier. Good luck finding one of these, however, as they are very popular among performance enthusiasts. 1984 GMC K15 Pickup Download these exploded view part diagrams and associated part lists to select an AAM series below that matches your GM vehicle. Installing the new studs can be done several ways, depending on the tools you have available and whether the axle is in the housing. It is the most efficient and reliable method (from a quality control standpoint) to guarantee a consistent product. Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. The way the splines are created makes a difference too. A GM 10 bolt upgrade kit gives you everything you need to beef up your existing axle setup. Many times, if you locate a 10-bolt rearend, its usually a 7.5-inch unit. This allows you to put the pinion gear in, set the pinion bearing pre-load, set the backlash and then run a contact pattern without the chance of compressing the crush sleeve too much. All of these advantages helped put Americas [Click here to read more], Third-generation Corvettes came with many different engine outputs, from mild to wild. That way, you dont unknowingly spend money on something you really do not want. ($0.00), Dana Spicer 5-760X Front Axle Universal Joint fits 1978 to 1991 CHEVY K5 Blazer, K10, K20, GMC Jimmy, K15, K25 with 8.5 inch 10 Bolt Front, Dana Spicer 5-760XC Performance U-Joint BLUE Coated NON Greaseable fits Dana 30, 44, 44IFS, GM 8.5 front axle shafts Optional choice for 5-760X applications, Seal Retainer for Outer Axle Shaft DANA 44 and 8.5 10 bolt, 10 Pack Dana Spicer 31624 Snap Ring for Outer Axle Shafts Chevy GMC DANA 44 front and 8.5 inch 10 bolt front, Snap Ring for Outer Axle Shafts GM 8.5 inch 10 bolt front, Dana Spicer 10007802 CHROMOLY OUTER Axle Shaft fits 1978 to 1991 Chevy GMC Jimmy, K5 Blazer, K10, K15, K20, K25, K30, K35 with 8.5 inch 10 Bolt front axle, Dana Spicer 41677 OUTER Axle Shaft fits 1978 to 1991 Chevy GMC Jimmy, K5 Blazer, K10, K15, K20, K25, K30, K35 with 8.5 inch 10 Bolt front axle, Dana Spicer 36352 Tube Seal 2.285 OD for GM 8.5 inch 10 bolt 1977 to 1991 Chevy GMC K5, K10, K15, K20, K25, Dana Spicer 660276-1 LEFT INNER Axle Shaft OEM Replacement fits 1978 to 1987 Chevy GMC Jimmy, K5 Blazer, K10, K15, K20, K25, K30, K35 with 8.5 inch 10 Bolt front axle 28 SPLINES, Dana Spicer 10007809 CHROMOLY LEFT INNER Axle Shaft fits 1978 to 1987 Chevy GMC Jimmy, K5 Blazer, K10, K15, K20, K25, K30, K35 with 8.5 inch 10 Bolt front axle 28 SPLINES, Dana Spicer 29903-1X RIGHT INNER Axle Shaft OEM Replacement fits 1978 to 1987 Chevy GMC Jimmy, K5 Blazer, K10, K15, K20, K25, K30, K35 with 8.5 inch 10 Bolt front axle 28 SPLINES, Dana Spicer 10007808 CHROMOLY RIGHT INNER Axle Shaft fits 1978 to 1987 Chevy GMC Jimmy, K5 Blazer, K10, K15, K20, K25, K30, K35 with 8.5 inch 10 Bolt front axle 28 SPLINES, Dana Spicer 10008246 CHROMOLY LEFT INNER Axle Shaft fits 1988 to 1991 Chevy GMC K10, K15, K20, K25, K30, K35 with 8.5 inch 10 Bolt front axle 30 SPLINES, Dana Spicer 10007823 RIGHT INNER Axle Shaft fits 1988 to 1991 Chevy K10, K15, K20, K25, K30, K35 with 8.5 inch 10 Bolt front axle 30 SPLINES, Dana Spicer 35417 Adjusting sleeve for Chevy GMC upper ball joint, Dana Spicer 706116X BALL JOINT SET for 1978 to 1987 CHEVY GMC Jimmy, Blazer K5, K10, K20, K25, K30, K35 with GM 8.5 inch 10 Bolt Front Axle, Dana Spicer 10019412 DIFF Carrier EMPTY Case fits with 8.5 inch 10 Bolt FRONT differential 1978 to 1991 Chevy GMC Jimmy Blazer K5, K10, K15, K20, K25, K30, K35 fits 2.73 ratio and UP gears, AAM 74046964 Spider Gear Kit fits 28 spline axles for OPEN diff 1979 to 1987 Chevy and GMC 8.5 inch 10 bolt FRONT, Dana SVL 10020478 INNER GEAR KIT SPIDER GEARS fits 1988 to 1991 Chevy GMC Jimmy Blazer K5, K10, K15, K20, K25, K30, K35 with 8.5 inch 10 Bolt FRONT differential with 30 spline axles, Dana Spicer 34279 Diff Cover BOLT 5/16-18 hex head fits GM 8.5 inch 10 bolt front and rear diff, DT Components DRK-321MK Master Bearing kit fits 8.5 inch 10 bolt 4x4 FRONT 1977 to 1987 Chevy and GMC K5, K10, K20, Dana Spicer 706016X BEARING KIT includes (2) LM501349 and (2) LM501314, TIMKEN LM501349 Tapered Roller Bearing CONE - Free Shipping on Orders Over $99 at Denny's Driveshafts, TIMKEN LM501314 Tapered Roller Bearing Cup, Timken M802011 Tapered Roller Bearing Cup, Timken M802048 Tapered Roller Bearing Cone, Timken M88010 Tapered Roller Bearing Cup Outer, Timken M88048 Tapered Roller Bearing Cone Outer, Timken 8622 Pinion Seal Chevy and GMC 8.5 Inch 10 Bolt 4x4 TRUCK FRONT, 8510 PINION NUT and WASHER Set fits GM 8.5 inch and 8.6 inch 10 BOLT, Neapco N2-4-GM03X PINION YOKE 30 spline 1310 Series fits 8.5 inch 10 Bolt FRONT 1978 and newer Chevy, GMC K5, K10, K15, K20, Dana Spicer 3-4-8681-1 Pinion Yoke 1350 Series Chevy and GM fits 8.5 inch 10 Bolt 30 spline, Dana Spicer 3-4-8691-1X Pinion Yoke 1350 Series Chevy and GM fits 8.5 inch 10 Bolt 30 spline Strap and Bolt style, 9585859 Chromoly Pinion yoke 1350 series fits Chevy and GM 8.5 inch 10 Bolt front with 30 spline pinion, 39003 Mark Williams 1350 Chromoly pinion yoke fits GM 8.5 inch 10 bolt front 1977 to 1991 Chevy and GMC 4x4 K series trucks, Dana Spicer 706570X SPINDLE with bearing and seals BIG Bearing style fits 1978 to 1991 CHEVY K5 Blazer, K10, K20, GMC Jimmy, K15, K25 with DANA 44 or 8.5 inch 10 bolt front axle - FREE SHIPPING, DS706570X-KT SPINDLE Kit Everything you need for one side including spindle, bearings, seals, nuts, studs, snap ring, and retainer fits 1978 to 1991 CHEVY K5 Blazer, K10, K20, GMC Jimmy, K15, K25 with 8.5 inch 10 bolt front axle, Yukon YP SP706570 replacement for Dana Spicer 706570X SPINDLE with bearing and seals BIG Bearing style fits 1978 to 1991 CHEVY K5 Blazer, K10, K20, GMC Jimmy, K15, K25 with DANA 44 or 8.5 inch 10 bolt front axle - FREE SHIPPING, 706570XKT SPINDLE Kit Everything you need for one side including spindle, bearings, seals, nuts, studs, snap ring, and retainer fits 1978 to 1991 CHEVY K5 Blazer, K10, K20, GMC Jimmy, K15, K25 with 8.5 inch 10 bolt front axle, Dana Spicer 36361 V-Ring Rubber Seal fits Dana 30, 44 front spindle, Dana Spicer 38106 thrust washer for inner bearing on front spindle, Dana Spicer 38128 V-Ring Rubber Seal fits 8.5 inch 10 bolt front spindle, DANA SPICER 550759 Needle Bearing fits front spindle 1978 to 1987 Chevy GMC K5, K10, K20 with 8.5 inch 10 bolt front, Spindle Bearing and Seal Set fits DANA 44 and 8.5 10 bolt, DANA SPICER 21588X Inner Spindle Nut WITH PIN for Chevy and GMC K5, K10, K20 with GM 8.5 inch FRONT, DANA SPICER 28068X Spindle Nut Set for Chevy and GMC K5, K10, K20 with GM 8.5 inch FRONT 1.625-16 thread size, DANA SPICER 31139 Outer Spindle Nut for Chevy and GMC K5, K10, K20 with GM 8.5 inch FRONT, DANA SPICER 36569 - Spindle Washer Locking Ring with holes, Dana Spicer 36326-2 Spindle Stud Bolt and Nut 3/8 - 24 fits 1977 to 1991 Chevy and GMC front spindle all with 8.5 inch 10 BOLT front axle, Timken 471271 Front Wheel Seal 3.258 OD 2.5 ID .375 width fits 1978 to 1987 Chevy GMC K5, K10, K15 4X4 1/2 Ton with 8.5 inch 10 Bolt Front Axle, Timken 471271 Front Wheel Seal 3.258 OD 2.5 ID .375 width fits 1978 to 1987 Chevy GMC K20, K25 4X4 3/4 Ton with 8.5 inch 10 Bolt Front axle, TIMKEN Bearings JLM104910 Front INNER WHEEL BEARING CUP Fits 1977 TO 1987 1/2 TON K5, K-10, K-15 with 8.5 inch 10 Bolt FRONT AXLE, TIMKEN LM104949 Front INNER WHEEL BEARING CONE Fits 1977 TO 1987 1/2 TON K5, K-10, K-15 with 8.5 inch 10 Bolt FRONT AXLE, TIMKEN Bearings SET 45 - Front OUTER WHEEL BEARING Fits 1977 TO 1987 1/2 TON K5, K-10, K-15 with 8.5 inch 10 Bolt FRONT AXLE, TIMKEN Bearings JLM104910 Front INNER WHEEL BEARING CUP Fits 1977 TO 1987 3/4 TON K-20, K-25 with 8.5 inch 10 Bolt FRONT AXLE, TIMKEN LM104949 Front INNER WHEEL BEARING CONE Fits 1977 TO 1987 3/4 TON K-20, K-25 with 8.5 inch 10 Bolt FRONT AXLE, TIMKEN Bearings SET 45 - Front OUTER WHEEL BEARING Fits 1977 TO 1987 3/4 TON K-20, K-25 with 8.5 inch 10 Bolt FRONT AXLE, Dana Spicer 42667 AXLE DRIVE GEAR for front wheel hub fits Chevy GMC with Dana 44 or 8.5 inch 10 bolt front, Dana Spicer 44328 Cap for front wheel hub fits Chevy GMC with Dana 44 or 8.5 inch 10 bolt front, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987. Anytime you are unsure of your applications specific needs, give one of the manufacturers a call. Amazon.com: Yukon Gear & Axle: GM 10 Bolt Chromoly Axles Yukon Gear & Axle Truck & Diesel Performance GM 10 Bolt Chromoly Axles Home Gears Rebuild Kits Yukon Gear & Axle (YK GM8.5-HD) Master Overhaul Kit for GM 8.5 Differential 1,042 $19895 Add to Cart Yukon Gear & Axle (YA G1255803-SH) Rear Axle for GM 8.2/8.5 Passenger Car . While the 8.5-inch rearend was used on vehicles up to 1999, The 8.6-inch (8.625) was used on 2000 and later-year trucks. 1986 GMC K15 Pickup Download these exploded view part diagrams and associated part lists to select an AAM series below that matches your GM vehicle. C-clips are by far the most common axle retainers, but they are also not legal for drag racing below 10.99 ET. 4.79 out of . Date and location of manufacture are stamped in the axle tube, and this table deciphers the code. He is resurrecting a G-Body Chevy Monte Carlo and decided to reuse the original 3.73 gears and a factory GM posi unit. This results in potential stress risers that could cause a failure. That was around 1981. GM 8.5" 10 Bolt Master Bearing / Install Kit. Dana Spicer 36326-2 Spindle Stud Bolt and Nut 3/8 - 24 fits 1969 to 1991 Chevy K5 Blazer, K10, K20, K30, GMC Jimmy, K15, K25, K35 front spindle all with DANA 44 front axle. 1984 Chevy K20 Pickup 1987 Chevy K20 Pickup The more splines an axle has, the larger the diameter of the axle; as you increase the spline count, the diameter has to increase to accommodate the additional splines. For example, a 700-hp full-race drag car with slicks and a transmission brake would put more stress on the driveline than a street-tired foot-brake car with 1,000 hp. Other loads are at work on the axles as well. 1984 Chevy K10 Pickup The cost of the number-1 build that follows was, when originally done, a mere $644. In our quest to make everything on our cars better, we're constantly trying to clean things up under the hood. The 8.5-inch 10-bolt rearends have ten 3/4-inch hex head bolts with 7/16-20-inch left-hand thread bolts that hold the ring gear to the carrier. Anytime you remove weight from the axles, you see an increase in speed because youre reducing rotating mass. Chrome Differential Covers. Axle blanks are forged for strength and then machined to match the profile necessary. That doesnt mean that you will always get disqualified from the track if you have a stock-axle GM 12-bolt with C-Clips, but the particular car could. Built from the 1970s through today (the 8.6" 10-bolt is still used in most GM trucks), these housings are the most common on the road, especially for trucks. There is an anomaly to the corporate 8.5-inch axle assembly that was used in some 1971 and 1972 Buick, Oldsmobile, a few 1969 through 1972 Pontiac vehicles, as well as the 1970 through 1972 Monte Carlo. Flycutting: Most machine shops can flycut axle shafts. Therefore, most custom axles are made with a different manufacturing method. 1980 Chevy K10 Pickup This can reduce the weight of an axle by as much as 17 to 26 percent. (See Chapter 2 for more detail on C-clip eliminators.). Since listing them all within this article is impossible, well be focusing only on visual identification. However, when you have new gears, a new posi unit, and other variables like mixing housings with differentials you might have to try multiple shims to get a good pattern. Chevy Muscle Car Tech Tips, Guides, Articles & How-To. 1980 GMC K15 Pickup GM 9.25" FRONT AXLE / IFS / 4WD and AWD The 33-spline option requires an Eaton Truetrac gear-driven LSD. Most aftermarket axle manufacturers offer custom cutting and splining services, but that means shipping them back and forth, which, of course, takes additional time and money. The axle shafts are also held in place by four-bolt retainer plates at the outer bearing, not C-clips. GM Corporate 8.5 inch 10 bolt front axle and differential parts including universal joints, axle shafts, wheel bearings, ball joints, spindles, gears, diff carrier, spider gears, bearing kits, shims, crush collar, seals, spindle nuts, pinion yokes and more at Denny's Driveshafts . Speedway Motors employees enjoy not only helping our customers, but also turning some wrenches in their downtime as well. Stock up on Stock Replacement Parts! Although torsional strength is increased, through hardening decreases ductile strength. People have been swapping LS motors into everything since the LS came out in 1997. One intimidating part for a lot of guys is the rear end. A missing stud on an axle or rotor hub on the car can throw you off. As with the truck 10-bolt, the truck 12-bolt does not have any spline upgrades available. But the situation is the same. These have been around since 1975, and were installedunder cars, small trucks, and vans up to the 2005 model year. Here are a few ways to get that custom engine bay. 10.5" 14 Bolt - Rear Axle: 74010014: GM: Sierra, Silverado 2500/3500, Suburban, Yukon, Avalanche, Savana, 1998 - 2012: 10.5" 14 Bolt - Rear Axle . An 8.2 (shown) will have the same contour as the cover. Dodge Rebuilt (Base Price) Call For Price. For example, a 35-spline axle has a major diameter of 1.50 inches; a 30-spline axle is 1.31 inches in diameter. Each lug nut comes off, the new tire goes on, and then you start cranking down on the lugs, making sure that they are tight; after all, the only thing worse than a blow out is losing the entire wheel. Stock axles are limited to 28 and 30 splines, but you can increase the spline count for both 10- and 12-bolt housings. Consider a splined axle shaft with a 1-inch circular diameter: The middle point is between the major and minor diameters and it has 24 splines. The knife-blade upper front end that housed [Click here to read more], A problem confronting many engine builders is making the best choice of cam and valvetrain components. If you convert your housing to bolt-in axles, it is the same for your new axles. In the 1950s, Corvettes were difficult to beat in stoplight races. Follow along as Zach works over the old 10 bolt and brings it back to life. The 8.5 rearend will have a round cover, and part of the cover will extend rearward to make room for the ring gear. JavaScript seems to be disabled in your browser. February 20, 2019 Roadkill Customs How To & DIY. It usually does not take much effort to remove the studs from the axle; just watch your fingers.