Speed Pro Premium Piston Rings 4.155" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Oracle Lighting Technologies Integrated Boost Control - Boost

Integrated Boost Control - Boost vs Time

The Hurst competition knob with 12 V button

Belt guides are available for every major tooth count

1 in Long Sleeve

Speed Pro Premium Piston Rings 4.155" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Oracle Lighting Technologies Integrated Boost Control - BoostProduct Description: Piston Rings Performance 4. 155 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Moly 8 Cylinder From pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for industry leading performance engine technologies, from cutting edge Digital Diamond Profiled pistons to A Series bearings. They are engine components performance enthusiasts and racers can