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Filthy Motorsports: Store > GM 55P / 55T
GM 55P / 55T Axle Parts, Gears, and Upgrades

GM 55P / 55T Axle Models:

GM 55P (8.400") (Passenger Car)
GM 55T (9.375") (Truck)

Axle Specifications:

Ring Gear Diameter: 8.400 / 9.375
Diff Cover Bolts: 12
Ring Gear Bolts: 10 /12
Axle Spline Count: 17
Axle Shaft Style: Semi-Floating
C-Clips: No
Pinion Support: No
Pinion Nut: 1-1/8"
Pinion Crush Sleeve: Yes
Carrier Breaks: 55P: 3.73 / 4.10
55T: No
Dropout Carrier: Yes

Torque Specifications:

Pinion Preload New: 14 to 18 in-lbs
Pinion Preload Reused: 6 to 8 in-lbs
Ring Gear Backlash: .006" to .010"
Ring Gear Bolt Torque: 55 ft-lbs
Carrier Bearing Caps: 60 ft-lbs

Popular Applications:

Chevy Bel Air 1955 - 1964 Rear
Chevy Corvette 1956 - 1962 Rear
Chevy Impala 1957 - 1964 Rear
Chevy Nova 1962 - 1964 Rear
Chevy C10 / C15 1960 - 1964 Rear
Chevy Suburban 1960 - 1964 Rear
GMC K10 / K15 1960 - 1964 Rear

Axle Images:



Axle Details

The GM 55P and 55T axles where used by Chevy between 1955 and 1964 before being replaced by the GM 12 Bolt 12P and 12T axles, respectively. While they may look similar from the outside, the internal components, including ring and pinion gears are not interchangeable so make sure that you know which model you have before ordering parts.
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Yukon Master Ring and Pinion Install Kit
GM Chevy 55P & 55T Yukon Master Overhaul Kit
List Price: $291.03
Your Price: 253.07

Yukon master overhaul kits include everything you need to rebuild your differential, install new ring and pinion gears or add a differential locker. Every component is of the highest quality and engineered specifically for your application to ensure accurate set up.
Yukon Minor Ring and Pinion Install Kit
GM Chevy 55P & 55T Yukon Minor Overhaul Kit
List Price: $53.60
Your Price: 46.76

Yukon minor overhaul kits include all of the seals, shims, and small parts you need to install new ring and pinion gears or add a differential locker (using the existing bearings). Every part is of the highest quality and made specifically for each axle application.
Mr. Gasket Ring Gear Spacer
GM 8.2", GM 8.2" BOP, and GM 55P Ring Gear Spacer

Mr. Gasket Ring Gear Spacers allow you to run standard cut high gears on a low gear differential carrier. They are precision stamped and ground for perfect parallel alignment and include new ring gear bolts.
Yukon Gear and Axle Ring and Pinion Sets
GM Chevy 55P Yukon Ring and Pinion Gears | 3.08
List Price: $426.45
Your Price: 370.83

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish.
Yukon Gear and Axle Ring and Pinion Sets
GM Chevy 55P Yukon Ring and Pinion Gears | 3.36
List Price: $387.85
Your Price: 337.26

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish.
Yukon Gear and Axle Ring and Pinion Sets
GM Chevy 55P Yukon Ring and Pinion Gears | 3.55
List Price: $387.85
Your Price: 337.26

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish.
Yukon Gear and Axle Ring and Pinion Sets
GM Chevy 55P Yukon Ring and Pinion Gears | 3.73
List Price: $413.76
Your Price: 359.79

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish.
Yukon Gear and Axle Ring and Pinion Sets
GM Chevy 55P Yukon Ring and Pinion Gears | 4.11

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish.
Yukon Gear and Axle Ring and Pinion Sets
GM Chevy 55P Yukon Ring and Pinion Gears | 4.11 (Thick)
List Price: $456.44
Your Price: 396.90

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish.
Yukon Gear and Axle Ring and Pinion Sets
GM Chevy 55T Yukon Ring and Pinion Gears | 3.38
List Price: $401.18
Your Price: 348.85

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish.
   
 
Don't see the particular axle or drivetrain parts you need? We carry more products and brands than we can make available on this website so give us a call or send us an email and chances are we can get what you need at a great price.