Speed Pro Premium Piston Rings 4.185" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Camshaft Seal Black Anodized and 11/16" I

Black Anodized and 11/16" I

Replacement bolt for Howe Easy Adjuster

The controller's high speed digital implementation ensures no loss of signal fidelity and full transient response

Display boost levels in PSI

used to monitor throttle position

Speed Pro Premium Piston Rings 4.185" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Camshaft Seal Black Anodized and 11/16" IProduct Description: Piston Rings Performance 4. 185 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