Mazda RX7 FC Rebuilt Rear Differential 4.1 Ratio Open
Description
Mazda RX7 FC Rear Differential – 4.1 Ratio Open Differential
Suits: Mazda RX7 FC (FC3S) Ratio: 4.1:1 Carrier Type: Open Differential Upgrade: Solid Pinion Bearing Spacer
Get your RX7 FC back on the road with this fully rebuilt 4.1 ratio rear differential, ideal as a reliable OEM-style replacement or for street-driven rotary builds.
This unit has been professionally rebuilt with all new bearings and seals, ensuring smooth operation, reduced noise, and long-term durability.
Key Features:
Complete Rebuild: Fully stripped, inspected, and rebuilt using all new high-quality bearings and new seals for dependable performance.
4.1 Ratio Gearing: Factory-style gearing offering a great balance of acceleration and drivability for street and daily use.
Open Differential: Smooth and predictable operation, ideal for standard road use and drivers wanting factory-like handling characteristics.
Solid Pinion Bearing Spacer Upgrade: Replaces the factory crush sleeve for improved strength, consistent preload, and increased long-term reliability.
Professionally assembled and set up with correct preload and backlash, making it a dependable, bolt-in solution for Mazda RX7 FC owners looking for a quality rebuilt differential.