Skip to content
Most Orders placed by 2pm est ship same day!
Most Orders placed by 2pm est ship same day!

1986-2014 Mustang 8.8" 3.31 Ring & Pinion Gears Axle Girdle Cover & Install Kit

Manufacturer Part # M-4209-88331, C, M-4210-B2, 5R3Z-4033-B

SKU DT3450-331-KIT
Original price $376.95 - Original price $376.95
Original price
$376.95
$376.95 - $376.95
Current price $376.95
Availability:
Only 1 left!

Free Shipping on Orders Over $50

•Brand New
•Fits 8.8" Rear Axle Only
•Fits 1986-1995 Mustang LX, GT w/ 5.0 V8, 1996-2004 Mustang GT 5.0, 1993-1998 Mustang Cobra, & 2003-2004 Mustang Mach 1
•Low profile design also fits 2005-2014 Mustang GT and 2007-2014 Shelby GT500 Mustang except 2013-2014 Track Pack option (because of rear sway bar)
•Sold as a kit, includes 3.31 Ring & Pinion Gears, Ring & Pinion Installation Kit, & Girdle Cover Kit

Scott Drake Girdle Cover Kit
•Light-weight 356T6 aluminum casting replaces rear cover on 8.8"
•Includes load bolts to provide additional support for differential bearing caps
•Increase ring and pinion gear life
•Will not fit IRS

FRPP M-4209-88331 Ring & Pinion Gears
• Includes Ford Pinion Nut
• Includes Ford Crush Sleeve
• Made by Ford Racing
•No one does 8.8" gears better than Ford Racing...stonger and quieter.
•The 8.8" rear end has been the standard in performance since its introduction in the Mustang in 1986 and Ford Racing is the manufacturer of choice when it's time to hop-up your axle.
•Made in the United States at Ford's Sterling Axle Plant (competitors in this price range are primarily produced in China)
•OEM quality - our superior surface finish, hardening, and manufacturing consistency provide the strongest and quietest 8.8" gears in the market! These are the same units that have 100,000 mile warranties in our production cars. Higher quality gears means more satisfied customers!
•Race Proven - Ford Racing 8.8" gears are the choice of championship road racing and drag racing teams including Multimatic Motorsports and Kurgan Motorsports.

FRPP M-4210-B2 Ring & Pinion Installation Kit
• Excellent upgrade for all 8.8" rear ends.
• High-torque bearing gives added durability for modified vehicles
• Contains all components from M-4210-A plus all differential bearings
Includes:
-2012 Shelby GT500 high-torque pinion bearing
-Pinion and carrier shims
-Crush sleeve
-Pinion nut
-Pinion seal
-Ring gear bolts
-Mustang GT carrier bearings
-Gear-marking compound
-Cover gasket