Speed Pro Speed Pro Piston Hypereutectic 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 6.9 cc 935115 40 in Round Port

40 in Round Port

4150 4-BBL/GASOLINE (50-100-150-200-250-300HP) WITH 10LB BOTTLEAt NX we live and dream Nitrous Oxide

085 in Thick

Our staff of engineers and technicians has degrees in a variety of disciplines

Speed Pro Speed Pro Piston Hypereutectic 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 6.9 cc 935115 40 in Round PortProduct Description: Piston Speed Pro Hypereutectic 4. 030 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