Richmond Ring & Pinion Set - 4.10 Ratio, 41-10 Teeth, GM 12 Bolt - 3 Series Rear Main Seal Adapter The Timken Thrust Bearings are

The Timken Thrust Bearings are ultra smooth and lets your Front End turn easy

Fits Wilwood Master Cylinders with small round reservoir (WIL260-1304 / WIL260-2636 / WIL 260-6579) and most imported and late model cars that do not have a screw on or twist on cap

Body is Anodized Aluminum

Includes four 1/2"NPT ports with plugs and an O-ring seal on one side

Hemi Style

Richmond Ring & Pinion Set - 4.10 Ratio, 41-10 Teeth, GM 12 Bolt - 3 Series Rear Main Seal Adapter The Timken Thrust Bearings areRICHMOND is the leading manufacturer of professional quality, hi performance ring and pinion sets. For over 80 years, the Double Diamond has signified the highest quality gears in the racing industry! GM 12 Bolt Installation Notes: When replacing a 2. 73 3. 90 ratio with a Richmond Hi Performance Ring & Pinion, the carrier must be replaced with a carrier from a stock 4. 10, 4. 56 or 4. 88 ratio. When installing 5. 14 to 6. 14 ring & pinion sets,