Gm 14 Bolt Differential Cover Bolts

Crane Axle's GM 13 Bolt Diff Cover is designed for an aggressive, low profile and bullet proof option for your GM 13 Bolt front or rear axle. Hedman Hedders & Trans-Dapt Performance Products are two of the hot rod industries original manufacturers, dating way back to 1954. 9375 inches wide by 10. 75" ring gear. Hopefully you had the old pinion shim, here is where it will come into play. The back of the axle housing is round. sku# 15552844. This truss will fit all Model 14 Bolts, even the newer "ribbed" 14 Bolt housings (Minor Modification needed). PML makes three differential covers for the GM 9 ½ inch 14 bolt rear end. Applications for a PML GM 10 Bolt Differential Cover. Inside, the ring-gear bolts are the same as the 8. 1L Equipped Trucks) *Dodge 2003 2500 High Output Diesels; 2003 3500 Standard & High Output; 2004-2008 2500 & 3500, Standard & High Output Diesels. 2002 S10, the bolts for the rear diff cover are too rusty to get a socket to grip. LS1 - LS Engine LS1. Many of these differentials are now more than 40 years old and are due for an overhaul. Differential Covers: Steering: Vehicles For Sale: Popular 14 Bolt Axle rebuild parts. The 10-bolt differential cover is located on the rear of the axle and is an 11-inch x 10. See our Drive Train Specialists Setup Specifications. The Mag-Hytec AA 14-11. Axle shaft to hub bolts: 115 ft. As the name implies, this differential has 14 bolts holding on the differential cover. We are your source for everything axles! Bearings, Axle Shafts, Covers, Rebuild Kits, Seals and more. SEALS: 14 bolt axles never had seals at the differential. Remove the rear axle fill plug. 75 (8 3/4) rear end LOADS FROM THE FRONT and IS THE ONLY REAR END THAT DOESN’T HAVE A REAR COVER. 5″ ring gear. just like the 10 bolt, and 12 bolt gm rears. Email or call for a price on your build. The distance between the bottom center bolt in the cover and its adjacent bolts is 3 1/4 inches. 5" axle, however, several aftermarket manufacturers now offer reusable gaskets that are much cleaner. 5" rear differential pinion companion flange bolt on end yoke nut. Built from the 1970s through today (the 8. 8″ (14-bolt) aam rear axle (-not all apply). Known primarily for exhaust headers, engine mounts, carburetor spacers and adapters, and chrome and aluminum customizing accessories, these two pioneering companies have 1000's of components to help your GM, Ford or MOPAR car or truck run stronger and look cooler. Ruff Stuff 14 Bolt GM Diff Cover; The countersunk covers come with grade 8 bolts. Early truck 12-bolts had axles with 12 large axle splines. Shop our Dodge Ram differential cover bolts online at Torque King 4x4. Eastcoastgearsupply. Think of your vehicle's differential cover as skin protecting your Jeep gears. AAM 725 SeriesGM 7. This differential cover has an extra 3/4 quarts of fluid capacity. Fits 2001-2002 GM 6. This is a genuine AAM rear differential cover for the GM 14 bolt rear differential with the 10. 5" Rear, '14 & up, 12 bolt cover - GM 9. Crane Axle GM 13 Bolt Differential cover. 5 inch 14 Bolt Rear Axle. They are very heavy. C/clip rear could have 28 or 30 spline axles. Adds an additional bolt to the ring pattern to increase strength and. The cover is made from high strength steel plate and full welded. Check out Part 4 of our Doomsday Diesel build as we rebuild an 01 to 10 GM ear axle to last forever. description. Hopefully you had the old pinion shim, here is where it will come into play. xlsx Author:. Gear, Motive Gear and Dana/Spicer. DIFF COVERS: 14 bolts have a big lip on them that KILL ground clearance. Crane Axle GM 13 Bolt DiffCover. Using your chisel, just hammer out on the bottom of the differential cover. There is also at least one year break that bring minor changes, but this is in fact far less significant than the "type" of 14 bolt axle in question. Crane Axle's GM 14 Bolt Diff Cover is designed for a low profile, aggressive, and bullet proof option for your 14 Bolt Axle, front or rear. DIFF COVER;GM 10. Has 33 spline c/clip axles. Strengthen your vehicle's rear end with the strongest rated support covers you can buy! These lightweight aluminum covers strengthen the rear housing from case distortion under load, preventing increased side bearing clearance and ring gear deflection. Granted, it is a bit tougher skin, but when your ride goes off road it can be exposed to hazards that could puncture right through that protection. A 14 bolt's great features come at a cost - they're strong, but also heavy. 5" 12-bolt axle with a 12 bolt differential cover to distinguish it from this 14 bolt model. GM 14 Bolt Axle Overview. 14 bolts Typically have a 1/2" thick axle tube and the typical 14 bolt is probably about twice the weight of a Dana 35. Hopefully you had the old pinion shim, here is where it will come into play. Im looking for the specs for the bolts that hold the stock differential covers on. Revolution Gear GM/AAM 11. 5" ring gear. Differential Cover Gaskets Red High-Temp RTV Silicone (available at your local auto parts store) is the most common way to seal the differential cover on a GM 10. 5 differential, even though there are only 12 holes. Upgrade the brakes on your full float GM corporate 14 bolt axle with stud-mounted drums with this disc brake conversion kit! Parts are OEM quality (or better) Available add-ons include performance rotors and powder coated HD calipers; Everything you need to do both sides of the 14 bolt axle is included in every kit (except brake fluid). this means if you snap an axle shaft, you could lose a rear wheel, if you were to drive the vehicle that way. 10 - GT5; No Quadrasteer, Full Floating Axle; 14 Bolt Cover; w/o Limited Slip Differential (Only 2 Remaining). Bolt on installation, bolts back to junction at diff cover. Protector Differential Covers Features and. 5-inch American Axle - 01+ GM, 03+ Dodge. It's that easy. The Mag-Hytec AA 14-11. Hedman Hedders & Trans-Dapt Performance Products are two of the hot rod industries original manufacturers, dating way back to 1954. Also good for other years, but only discussing the AD trucks here and now. Depth inside is 3 ¾ inches. We offer ring and pinion Ford gears in all the ratios, diameters and spline counts you're looking for to complete your drag car build. As with all GM Salisbury rear axle assemblies, the number of bolts, in this case 10, refers to both the ring gear bolt count and the number of bolts retaining the rear cover. Brand new Crane (craneaxle. As the name implies, this differential has 14 bolts holding on the differential cover. or Rear; Rear; RWD; Silverado 2500 Base Model; Ring Gear 10. Has 33 spline c/clip axles. Nut, Bolt, Fasteners & Industrial Supply. Find great deals on eBay for gm 14 bolt differential cover. Differential Cover Gasket GMC 14-Bolt Truck (9. 6" IFS OEM Steel Diff Cover Kit (Incl cover, gasket, bolts, magnetic plug) Price: $45. com Xtreme Aluminum 14-Bolt Differential Cover for GM 10. This truss spans the Full width of the axle, Giving you a solid place to mount your link suspension and adding strength to the entire axle. Raise the vehicle. Im looking for the specs for the bolts that hold the stock differential covers on. hex head, 6 point. Applications These PML rear end differential covers fit the 14 bolt 9½ inch rear differential on many Chevy and GMC trucks, vans and SUVs and Hummer H2 (10303-2 only). Filthy Motorsports carries a wide range of parts, gears, and upgrades for the GM 10. Nut, Bolt, Fasteners & Industrial Supply. Gear, Motive Gear and Dana/Spicer. 14 bolt cover. DIFFERENTIAL COVER APPLICATION CHART. Crane Axle GM 14 Bolt Differential Cover. *Comes sandblasted bare metal or powder coated semi-gloss black. Thanks Also, torque specs should be about 25-30 lbs when I reinstall the cover right?. 875-inch, 12-bolt positraction came in many 1965 to '72 passenger cars. Designed to fit most vehicles with GM 9. Not only are 14 bolts strong, bulletproof, and easy to build, they are in every junkyard from Kansas to Never-Never land. It's well worth the money. As with all GM Salisbury rear axle assemblies, the number of bolts, in this case 10, refers to both the ring gear bolt count and the number of bolts retaining the rear cover. 10 Bolt Rear - $9. GM's stock 10 bolt differential cover comes with 4 different varieties of mounting bolts, so determining which bolt is currently on your car is essential to when purchasing an aftermarket PML. designed for the PCP Aluminum cover. Crane Axle GM 13 Bolt DiffCover. East Coast Gear Supply - GM 14 Bolt. 6 Rear, 1999 and newer Trucks. Crane Axle's GM 13 Bolt Diff Cover is designed for an aggressive, low profile and bullet proof option for your GM 13 Bolt front or rear axle. All LubeLocker gaskets are engineered using an elastomer coated metal base along with a full perimeter sealing bead. We do have gears, lockers, etc for the semi-floating (9. 5" rear 14 bolt full float. Rebuilt GM 14-bolt Differentials. Chrome Steel Differenti al Cover Chevy/GMC 3/4 1 Truck 14 Bolts 10. Early truck 12-bolts had axles with 12 large axle splines. Barnes 4WD has come up with a solution to this issue, our GM 14 Bolt 3/8" Shave Cover. Revolution Gear GM/AAM 11. A 14 bolt's great features come at a cost - they're strong, but also heavy. 8in (86-14 GT, Mach 1; 07-12 GT500; 93-04 Cobra; 11-14 V6) Purchased the ARP differential bolt kit for my Mustang. TD9232 - Differential Cover Bolt Set, Chrome GM 14 Bolt Differential Covers CONTENTS 14 Bolts and washers THREAD SIZE 5/16"-18 LENGTH 3/4" MATERIAL Steel. Bolt on installation, bolts back to junction at diff cover. Whether you're looking for rear differential covers or aftermarket differential covers, you can rest assured that with 4 Wheel Parts, you can choose the part that is perfect for both your vehicle and the way you drive. Early truck 12-bolts had axles with 12 large axle splines. This is a genuine AAM rear differential cover for the GM 14 bolt rear differential with the 10. ORD runs shaved and 13 bolt kits and I bet the run harder than us. 50 14 Bolt Rear Axle G240-2010mb. DIFF COVER;GM 10. Online shopping, Low Prices, No Minimum, Fast shipping. These differentials have used both metric and standard cover bolts. Give your Jeep or Truck exactly what it needs with industry leading products and expertise at 4WD. 5 Rear, 79- 97. GM's stock 10 bolt differential cover comes with 4 different varieties of mounting bolts, so determining which bolt is currently on your car is essential to when purchasing an aftermarket PML. After welding it all up on the 14 bolt axle under my 1986 K10 SWB, I was impressed with the fit & quality of the parts. Known primarily for exhaust headers, engine mounts, carburetor spacers and adapters, and chrome and aluminum customizing accessories, these two pioneering companies have 1000's of components to help your GM, Ford or MOPAR car or truck run stronger and look cooler. weakest 8-1/4" has 10 bolts, evenly spaced. Headliners & Retainers. As the name implies, this differential has 14 bolts holding on the differential cover. The top and bottom bolts have been removed for drain plug (bottom) and temperature sending unit hole (top). 14 bolt rear with 9. We are your source for everything axles! Bearings, Axle Shafts, Covers, Rebuild Kits, Seals and more. 6 Inch Axle) Removal Procedure 1. this means if you snap an axle shaft, you could lose a rear wheel, if you were to drive the vehicle that way. We offer ring and pinion Ford gears in all the ratios, diameters and spline counts you're looking for to complete your drag car build. The cover is made from high strength steel plate and full welded. All Revolution Ring and Pinion sets are backed by an industry leading 2 Year Warranty against defects. Differential cover bolt kit (14). 12 BOLT GM Polished aluminum differential rear end cover Chevy C10 8. Choose from differential rear end support covers for Chevrolet 12 bolt & 10 bolt, 8. 10 - GT5; 14 Bolt Cover, GT5 Option; Full Floating Axle; w/o Limited Slip Differential or Rear; Rear; RWD; Silverado 2500 HD; Ring Gear 10. $175 shipped to lower 48. We use a seal housing that has multiple dual-lip seals inline to keep oil in the differential and dirt out out of your gears. Procedure can be used for other rear axles too (D60, D70, etc). Also good for other years, but only discussing the AD trucks here and now. rearend And Lug Pattern Configuring gm Bolt Axle Both use 14-bolt covers, but the 9-1/2 is more egg-shaped. This cover is fabricated from pickled and oiled metal. The top and bottom bolts have been removed for drain plug (bottom) and temperature sending unit hole (top). distributed by aam, this aluminum differential cover pan kit will only fit various 2002-2018era dodge and gm 2500/3500 model configurations with the 11. All that makes on a 12 bolt is that it takes 12 bolts to hold the cover on. 5" axle, however, several aftermarket manufacturers now offer reusable gaskets that are much cleaner. This differential cover has an extra 3/4 quarts of fluid capacity. Home of the HI-FLOW lump kit. 75" ring gear. 14 Bolt Axle Rebuild - New Parts! - 09/29/03 to 10/01/03 Lots of new parts in for the rear axle! First, new wheel bearings and seals were ordered. the smaller 14 bolt, with it's 9 1/2" ring gear, is a semi-floating design. Differential cover bolt kit (12) Read more. Id need the size, thread pitch, and length. Made to OEM specifications these differential covers are triple chrome plated ensuring they perform as well as they look. Ring gear has 10 bolts and pinion has 30 spline. 75" (8 3/4") ring gear C10 - K10 - Blazer - Surburban Cast with thick. Find great deals on eBay for chevy differential cover 10 bolt and chevy 10 bolt differential cover 8. Air Filter Assemblies & Covers; Brake Components; GM 10-Bolt 12-Bolt 14-Bolt You are here: GM 14-Bolt 9. The differential carriers are also narrower than those in passenger-car units. Bolt on installation, bolts back to junction at diff cover. The cover is made from high strength steel plate and full welded. I would recommend this kit to anybody doing a 14 bolt swap. Bolt Information. Our Engine Compatibility tool is to be used as a guide only. See the GM 8 1/2, Front 10 Bolt, Part Number 6077. I'm building a 14 bolt SF axle and got the Detroit and gears all set up but haven't been able to locate a nice armored diff cover for it I've talked to NSOR and all they can find me is a mag hytec or ORU heat treated alum cover. ATS Protector Rear Differential Cover Kit- 14-Bolt, 11. This diff cover fits the rear end on Hummer H2, Trailblazer SS, SSR 6 speed, and other Chevy and GMC trucks, vans and SUVs with the 9¼ inch 14 bolt rear differential. Differential Covers; Transmission Pans; HD Must Visually confirm, some have #GM 14-9. ORD runs shaved and 13 bolt kits and I bet the run harder than us. If it has a G80 code in the RPO codes on the inside of the glove box, then you need to add friction modifier to the gear oil. 75 (8 3/4) rear end LOADS FROM THE FRONT and IS THE ONLY REAR END THAT DOESN’T HAVE A REAR COVER. See how to assemeble this beast of a 14-bolt AAM-1150 axle in this month's issue of Diesel. Hello, my rear diff housing broke, i think it's of driving bigger tires and heavy loads. 5" 14 Bolt differential, however each vehicle may have other interfering components and adequate clearance and fitment should be verified prior to purchase & installation. PML makes three differential covers for the GM 9 ½ inch 14 bolt rear end. There was simultaneous use of the 8. Like most 10-bolts, the axles are held in place by C-clips on the inner end of the axles. 626" Diameter Pinion "O" Axle Only 12 Bolt Cover - 10 Bolt Gear Plate clutches. Visit our site today!. Contains hints and tips on other axles. Includes bolts. Raise the vehicle. Tighten to 8 ft-lbs (10 N-m), then tighten an additional 1/3 turn to at least 37 ft-lbs (50 N-M). The 14 Bolt full floater is strong, easy to find in salvage years, cheap to get parts for, and a large amount of aftermarket parts are available. 6 Aluminum Cover w/Load Bolts Differential Cover 3. At a quick glance, you can also tell when you're looking at a truck 12-bolt, because the rearend cover has an irregular shape. The fill hole has been drilled and tapped for 1/2″ NPT, so you can reuse your stock fill plug. There are brackets on the top bolts, so some modifications will be needed on the brackets or Additional brackets might need to be made. 5" rear differential pinion companion flange bolt on end yoke nut. 5" Rear, '79-'97, 14 bolt cover differential to make sure you find the part that fits. Cover Bolts: 14 Cover Bolts: 14 Carrier Breaks: None Carrier Breaks: None Truck 14-Bolt GM 11. it uses c-clips to hold the axles hafts in. There are already various scattered and watered down details and info in this forum and others about the 14 bolt swap. The control arm-mounting ears on top of this 7. Differential Covers; Transmission Pans; HD Must Visually confirm, some have #GM 14-9. 10 Bolt; Incl. For a larger picture, please click one of the above images. does anyone know what size bolts hold the diff cover on a 10 bolt? my buddys 02 has been leakin gear oil (about a drop a night) so when we went to tighten the bolts, one is missing. Differential Covers – Replacement and Aftermarket Upgrades. 1L Equipped Trucks) *Dodge 2003 2500 High Output Diesels; 2003 3500 Standard & High Output; 2004-2008 2500 & 3500, Standard & High Output Diesels. post a picture of the rear cover, never heard of that. Strange Engineering only uses the highest quality Ring and Pinion GM Gears available from U. 5" 14 Bolt Polished Aluminum Rear End Diff Cover ; Gm 10. 15/16" x 6. All LubeLocker gaskets are engineered using an elastomer coated metal base along with a full perimeter sealing bead. 6” 10-bolt is still used in most GM trucks), these housings are the most common on the road, especially for trucks. Inline chevy 6 performance, Turbocharging, Custom parts, 12 bolt rebuilding. As the name implies, this differential has 14 bolts holding on the differential cover. Upgrade your tandem-axle trailer's suspension with this hardware kit. The 14 Bolt Axle has become a go to axle for rock crawlers and rock bouncers. Large selection of nuts and bolts as well as other fasteners online. ea-ut luminum Rear ierential oer PPEdiesel. 5" Ring Gear American Axle Fits: *GM 2001+ 2500HD & 3500 w/ Full Floating Axle (All Duramax & 8. 8, Dana 60, Ford 10 bolt and others. it uses c-clips to hold the axles hafts in. * Comes standard with socket cap mounting bolts (countersunk stainless steel mounting bolts are available […]. That's why i would like to put in a stronger axle, looking around on the net makes me think of a dana-44 full floater with 3. For the best experience on our site, be sure to turn on Javascript in your browser. CNC Laser cut and CNC Press formed from one piece. Spectre's Chrome GM Differential Covers feature a 14 bolt design and include the chrome bolts and gasket needed for an easy install. The Mag-Hytec AA 14-11. Chrome Ford 7. Headliners & Retainers. 00 Trending at $26. Differential Covers - Replacement and Aftermarket Upgrades. This one is designed for pre-2000 GMC and Chevrolet trucks and SUVs. This differential cover has an extra 3/4 quarts of fluid capacity. 5" ring gear. com Technical Support (714) 985-4825 Rev: 04/15/19 | v3B Heavy-Duty Aluminum Rear Differential Cover GM/Dodge 2500HD/3500HD trucks with 14 bolt. 5" Ring Gear Chevy GM 9. Mopar Rear Axle Identified by casting number & number of cover bolts. Hopefully you had the old pinion shim, here is where it will come into play. Chevy Silverado 2500 / 3500 with AAM 11. They are not interchangeable. Easy to use parts catalog. I have looked through both the Haynes manual and the factory service manual for the truck and can't seem to find the torque spec. The 14 bolt differential is a popular axle swap option for Jeep Wrangler owners, and is referred to as the "corporate" 14 bolt because of the odd nature of GM's corporate structure in the 1970s. Also searched the forum and the net. Buy end hardware bolts today online. The 14 bolt differential is a popular axle swap option for Jeep Wrangler owners, and is referred to as the "corporate" 14 bolt because of the odd nature of GM's corporate structure in the 1970s. This differential cover has an extra 3/4 quarts of fluid capacity. What is the rear differential fluid capacity of a Chevy 14 bolt rear end? to the diff cover & bolt it back into place, use a criss-cross pattern to tighten the bolts back up, fill the diff. pdf), Text File (. Known primarily for exhaust headers, engine mounts, carburetor spacers and adapters, and chrome and aluminum customizing accessories, these two pioneering companies have 1000's of components to help your GM, Ford or MOPAR car or truck run stronger and look cooler. From 1972-on, General Motors installed its 10-bolt in cars and it remained an option for trucks until 1987. LPW ULTIMATE & ULTRA covers are the strongest cap support covers (also referred to as rear end girdles) on the market and the popular choice of many past and current racing champions. Choose from differential rear end support covers for Chevrolet 12 bolt & 10 bolt, 8. If you want to use RTV sealant with this gasket, only apply a thin film to each side unless you are filling in a deep gouge in the cover or housing. 5" Chevy 14 Bolt Yukon Hardcore Diff Cover YHCC-GM14T-S Yukon Hardcore Performance Diff Covers are engineered for extreme conditions. Inside, the ring-gear bolts are the same as the 8. Find great deals on eBay for 14 bolt differential cover and 14 bolt differential cover 9. I was talking to Sandy Cone today about another matter and asked him about this subject. Seat Covers & Accessories; Seat Belts; Center Consoles; Doors. This PML differential cover fits the rear end differential on many GM, GMC, and Chevrolet vehicles. 1 product rating - lube locker gasket differential cover gm 14-bolt 10. Includes: Bolt kit, Drain Plug and Dip Stick. Find great deals on eBay for gm 14 bolt differential cover. There was simultaneous use of the 8. com/public/qlqub/q15. The smaller GM 14-bolt has a 9 1/2-inch ring gear diameter. Chrome Ford 7. Here is the rear axle removed and awaiting the new 14 bolt. 5" Ring Gear American Axle Fits: *GM 2001+ 2500HD & 3500 w/ Full Floating Axle (All Duramax & 8. 10Rear Suspension: SolidPinion Nut Size: 1-. Also searched the forum and the net. We got to work rebuilding our 1978 Chevrolet Camaro Z28's GM 10-bolt rear axle, giving Project ZedSled a rear axle that could withstand our power needs. Remove the upper differential bolt that secures the driver side differential to the frame using a 21mm wrench. 6 10 Bolt - GM 8. For the best experience on our site, be sure to turn on Javascript in your browser. Image may vary from actual product: GM 8. In Chevy Differentials: How to Rebuild the 10- and 12-Bolt, author Jefferson Bryant walks you through the entire process of disassembling, evaluating, and rebuilding the perfect differential for your GM application. It's well worth the money. Once again - this article is concerned only with GM 14 Bolt full-float rear drive axles. They are very heavy. 6 Rear, 1999 and newer Trucks. 5 ring gear. Find our best fitting differential cover bolts for your vehicle and enjoy free next day delivery or same day pickup at a store near you! GM 10. 14 Bolt Polished Aluminum Cover 6070-P Differential Covers - Compare prices and find the best deal at Anyprices. Chassis Unlimited Full Width GM corporate 14 Bolt Axle Truss. 875") 12 bolt differentials used on many Chevy cars in the 1960s and 1970s. Camaro/Firebird 82-2002 TA Performance 10-bolt Rear End Support (Differential Cover), shipping is not included. Give your Jeep or Truck exactly what it needs with industry leading products and expertise at 4WD. Refer to Lifting and Jacking the Vehicle in General Information. 5" ring gear. 14 The tool gives a 28 We indulged. Find our best fitting differential cover bolts for your vehicle and enjoy free next day delivery or same day pickup at a store near you! GM 10. now so far we've built a very killer 14 bolt rear axle. or Rear; Rear; RWD; Silverado 2500 Base Model; Ring Gear 10. Logged 14 bolt FF/big bearing. While this article focuses specifically on the GM 8. They are very heavy. A 14 bolt's great features come at a cost - they're strong, but also heavy. Would it be necessary to drill it out and replace it? Or could I rock out 9 bolts, a fresh gasket and some rtv? I know it's a ghetto rig but I'm swapping rears in about a month and was just wondering if it will leak. LMC Truck offers 1973-87 Chevrolet Pickup Truck 1973-87 GMC Pickup Truck 1973-89 Crew Cab Rear Differential Components - GM 14 Bolt with 10-1/2. Differential Covers; Transmission Pans; HD Must Visually confirm, some have #GM 14-9. When ordering one of these covers, you will need to pull one of your stock bolts out (a top bolt is best) and measure the length and determine whether it is metric or standard. 5" Ring Gear Differential Cover - 10 Bolt Chrome GM 9 1/2" R. Includes bolts. Armed with a little more information, selecting your next axle upgrade will be a much easier task regardless of whether you are just rebuilding a stock rear end or you have aspirations of being the next 1320 hero. 5-inch differentials. The 10-bolt differential cover is located on the rear of the axle and is an 11-inch x 10. PML makes three differential covers for the GM 9 ½ inch 14 bolt rear end. Twelve-bolt differential carriers are attached to the differential assembly using two main caps. com GM 14 Bolt Solid Diff Cover solid, solid diff cover, gm14t-solid,gm14t,gm,solid,sac14 Description: Solid Diff Cover Features If your looking for serious protection in the rocks, Solid has the GM 14 Bolt diff cover for you. Email or call for a price on your build. Includes: Bolt kit, Drain Plug and Dip Stick. Tech Note 2: Installing GM 14 Bolts full float rear axles are one of the few axles that still use a cut paper differential cover gasket. 14 BOLT CAST ALUM. 194, 230, 250, 292 and 153,181 ,2. Many of these differentials are now more than 40 years old and are due for an overhaul. Cast aluminum contruction. Chevy Truck Parts 1947-2012 from USA1 Industries. The top and bottom bolts have been removed for drain plug (bottom) and temperature sending unit hole (top).