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 and 20 years in automotive

and 20 years in automotive competition

Dual zipper enclosure

Quick Turn Tabs for 1" Spring Lightweight

One radio is "listen only" for race ops while the other provides full communication to your driver

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 and 20 years in automotiveProduct 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