Speed Pro Speed Pro Piston Hypereutectic 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 6.9 cc Backing Plate T-Bolt Flows 26 Percent Better Than

Flows 26 Percent Better Than Factory Intake System 5

BlackHeart is engineered to provide maximum exhaust velocity

70 / 75 mm

Dual zipper enclosure

Speed Pro Speed Pro Piston Hypereutectic 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 6.9 cc Backing Plate T-Bolt Flows 26 Percent Better ThanProduct Description: Piston Speed Pro Hypereutectic 4. 040 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