Speed Pro Speed Pro Piston Hypereutectic 4.060" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Coated Skirt Gauge Cup Constructed of

Constructed of

25 DIFF CROSS PINRichmond Gear is famed for their tough and reliable ring and pinion sets

Increased outer hardened layer thickness (RC 55-60)

Legal replacement for stock classes

Speed Pro Speed Pro Piston Hypereutectic 4.060" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Coated Skirt Gauge Cup Constructed ofProduct Description: Piston Speed Pro Hypereutectic 4. 060 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 6. 90 cc Coated Skirt Small Block Chevy Set of 8 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