Speed Pro Hypereutectic Piston 4.000" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 8.0 cc - Coated Skirt 91940079 Crower products are used in

Crower products are used in everything from NASCAR to NHRA Top Fuel

1964-1967 Dodge Dart

Engineered with 60% more silicon than comparable competitive replacements

Transmission shields and more

one for data out and one for data in

Speed Pro Hypereutectic Piston 4.000" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 8.0 cc - Coated Skirt 91940079 Crower products are used inProduct Description: Piston Hypereutectic 4. 000 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 8. 00 cc Coated Skirt Small Block Ford 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 enthusiasts and