Richmond Ring and Pinion Set - 4.29 Ford 9" Pro Gear 35 Spline 815005 The compact ECU size allows

The compact ECU size allows you to mount it virtually anywhere

engine swap kits and mufflers for both Import and Domestic cars and trucks

Biondo Regulator & Bottle Kit - 100psi BK100E

Plug and Play installation

Richmond Ring and Pinion Set - 4.29 Ford 9" Pro Gear 35 Spline 815005 The compact ECU size allowsProduct Description: Ring and Pinion Pro Gear 4. 29 Ratio 35 Spline Pinion Big Pinion Ford 9 in 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 better than