Speed Pro Hypereutectic Piston 4.390" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 4.2 cc - Coated Skirt EGLK 1961-1968 Mercury Colony Park

1961-1968 Mercury Colony Park

Allstar Heater Tire Siper / 8 Blade Siper

Dominator kits are 3-circuit metering blocks

1955-1971 Chevrolet Bel Air

Speed Pro Hypereutectic Piston 4.390" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 4.2 cc - Coated Skirt EGLK 1961-1968 Mercury Colony ParkFord 429, 460 Sophisticated "barrel" profiles help optimize oil wedge between skirt and wall. Piston skirts protected by next gen DUROSHIELD coating. TAC ring groove geometry Weight matched to + 2 grams. Machined valve reliefs and circlip grooves; LR 63 lock rings for floated applicationsFrom 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