Richmond 3.73 Ratio Ring and Pinion 30 Spline Pinion 8.875" Ring Gear 3 Series - GM 12 Bolt 600090146 Minimal Decibel Reduction Over Open

Minimal Decibel Reduction Over Open Headers

Protect-A-Boot Ringless Sleeves are superior protection for extreme angled plug wire boots that solve the problem of burning and cracking plug boots and wires from header and engine heat

Increases Coverage On Gas And Diesel Vehicles

13 x 13 x 9 in Tall

Richmond 3.73 Ratio Ring and Pinion 30 Spline Pinion 8.875" Ring Gear 3 Series - GM 12 Bolt 600090146 Minimal Decibel Reduction Over OpenProduct Description: Ring and Pinion 3. 73 Ratio 30 Spline Pinion 3 Series Thick Gear 8. 875 in GM 12 Bolt Richmond Gear is famed for their tough and reliable ring and pinion sets. That same level of reliability and precision is available in their other driveline products, including differentials, racing Transmissions, driveshaft components, and more. Racecars around the world rely on Richmond premium gearsets and Transmissions; your hotrod will run