CSP SAVINGS!

CSP2026

Motive Gear MGK-209 - K10/20 77-82 GM8.5F/12BT 4.11X

Motive Gear  |  SKU: BHHD-MGK-209
Sale price $1,11699 Regular price $1,22869

DISCLAIMER: This Item Is Special Ordered, which may have cancellation or return restrictions. Please see our terms and conditions for more information.


AVAILABILITY: This Item Is Out Of Stock.


PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Motive Gear MGK-209 - K10/20 77-82 GM8.5F/12BT 4.11X

K10/20 77-82 GM8.5F/12BT 4.11X

DIFFERENTIAL RING AND PINION FOR GM 8.5" AND GM 8.875" - RING AND PINIONS INCLUDING TIMKEN BEARING KITS; 4.11 RATIO; THICK REAR RING GEAR; REQUIRES A 2.73 AND NUMERICALLY HIGHER FRONT CARRIER; FITS 2.76 TO 3.42 REAR CARRIER

Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner's circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.

App/Model: GM 8.5
App/Model: GM 8.875 Truck (12-Bolt Truck)
Differential Carrier Break: 2.73 Ratio and Higher Front (GM10-411)
Differential Carrier Break: 2.76 to 3.42 Ratio Rear (GM12-411X)
Position: Front and Rear
Taxonomy A: LD Differential
Taxonomy B: Ring and Pinion Gear Packages
Taxonomy C: Front and Rear
Taxonomy D: 4.11
Ring Gear Bolt Quantity: 10 Front (GM10-411)
Ring Gear Bolt Quantity: 12 Rear (GM12-411X)
Cover Bolt Quantity: 10 Front (GM10-411)
Cover Bolt Quantity: 12 Rear (GM12-411X)
Gear Ratio: 4.11
Pinion Shaft Diameter: 1.438 Rear (GM12-411X)
Pinion Shaft Diameter: 1.626 Front (GM10-411)
Ring Gear Tooth Quantity: 37 Rear (GM12-411X)
Ring Gear Tooth Quantity: 41 Front (GM10-411)
Pinion Spline Count: 30
Ring Gear Rotation: Standard
Pinion Gear Tooth Quantity: 10 Front (GM10-411)
Pinion Gear Tooth Quantity: 9 Rear (GM12-411X)
Differential Case Design Type: GM 8.5
Differential Case Design Type: GM 8.875 Truck
Ratio: 4.11
Ring Gear Outside Diameter: 8.5 Front (GM10-411)
Ring Gear Outside Diameter: 8.875 Rear (GM12-411X)
Ring Gear Material: 8620 Steel

What are people saying about CSP?