Description
PLATINUM PERFORMANCE - 3.90 RATIO RING AND PINION, LIMITED-SLIP POSI & MASTER BEARING INSTALLATION KIT 3.90 RATIO RING AND PINION, LIMITED-SLIP POSI & MASTER BEARING INSTALLATION KIT - Includes everything required to replace your ring and pinion and upgrade with a new limited-slip differential properly - Kit includes: limited-slip posi differential, matched ring and pinion gear set, complete pinion & side bearings and races, pinion seal, pinion nut, ring gear bolts, pattern checking compound & brush, thread locking compound, cover gasket and shims - GM 12 BOLT 8.875 inch CAR *** International Customers: We ship UPS and use their standard assigned brokerage *** International Customers: Additional fees, taxes & other customs related costs are the responsibility of the buyer Need Help Before, During or After Installation? Live Phone Tech Available Whether you are a novice or a pro, you will need a good and easy to use bearing puller for the job, and we got them! >> For a great Differential Bearing Puller Kit, click here << Differential and Ring & Pinion Setup Tips and Tricks Video will open in a new window Using the mobile app? Copy this link into your browser: Time Saving Bearing Puller #90-0002-1 Video will open in a new window Using the mobile app? Copy this link into your browser:
This kit is a game-changer for anyone upgrading their GM 12-bolt rear end! The 3.90 ratio delivers awesome acceleration, and the limited-slip posi provides solid traction. Everything you need is included—high-quality gears, bearings, seals, and even pattern compound for perfect setup. Installation was smooth, and the performance boost is noticeable right away. Perfect for street or strip, this platinum package is worth every penny for serious gearheads!