Richmond Pro Gear Ring and Pinion 5.38 Ratio 30 Spline Pinion 8.875" Ring Gear - 4 Series LGSF 6 AN Male to 1/8

6 AN Male to 1/8 in NPT Male Swivel

GM Duramax 2001-16

(1/4" hand ratchet tool not included

Heavy Duty Aluminum Alloy

cylinder heads are ideal for racers looking for an affordable head that makes maximum power

Richmond Pro Gear Ring and Pinion 5.38 Ratio 30 Spline Pinion 8.875" Ring Gear - 4 Series LGSF 6 AN Male to 1/8Product Description: Ring and Pinion Pro Gear 5. 38 Ratio 30 Spline Pinion 4 Series 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