Complete Ford 8.8 Rear Performance Package – Includes a 31-spline clutch-style limited slip carrier, a 3.73 ratio ring & pinion set (41/11 tooth count, 8620 steel), and a full master differential rebuild kit for a comprehensive upgrade. High-Strength Limited Slip Carrier – 31-spline posi unit with a 1.32" splined bore, clutch-style traction system, and internal kit included—ideal for restoring or enhancing rear-axle traction. Premium 3.73 Gear Set – Standard-rotation 8.8" ring gear, 30-spline pinion (1.625" pinion shaft diameter), 10-bolt design, and forged 8620 steel for OEM-grade durability and quiet operation. Master Bearing & Rebuild Kit – Rear differential overhaul kit includes bearings, races, shims, seal, and installation components needed to properly install the carrier and gear set. Matched, Warranty-Backed Components – All three components are engineered for Ford 8.8 rear axles and come with a 1-year / 50,000-mile warranty, ensuring reliability and long service life. AXLE REBUILD KIT - MOTIVE GEAR RING AND PINION, BEARING KIT & FACTORY STYLE TRAC-LOK POSI - COMPATIBLE WITH FORD 8.8 31 SPLINE - 3.73 RATIO
COMPATIBLE WITH FORD 8.8 W/ 31 SPLINE AXLES - 3.73 RATIO - CAR OR TRUCK

*** Some performance models from 2007 to 2009 have a different inner pinion bearing and race (3.54" outer diameter), this kit does NOT have that HD bearing.

Save time and money when you buy an Axle Rebuild Kit. Take the guesswork out of buying parts to fix or upgrade your assembly. This kit replaces everything but the axleshafts! New internal parts including ring and pinion, factory style Trac-Lok limited-slip posi limited-slip posi differential, and a master installation kit. This has all hardware required for complete installation including shims, bearings, races and pinion seal. Axleshafts, axleshaft bearings & axleshaft seals not included but are highly recommended, and should be purchased separately.

M4204F318_F8.8-373_R8.8RMK