Speed Pro Hypereutectic Piston - 4.030 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 4.00 cc - Coated Skirt - Small Block Chevy - Set of 8 356907 Drag Race Servos

Drag Race Servos

Z-28 Style

Chevy V8s with large oval-port cylinder heads (1975 and earlier) or Edelbrock Performer/Performer RPM heads

Seat bottom shaped at rear to support tailbone and lower back

M2300/4150 Service Pack Non-Stick

Speed Pro Hypereutectic Piston - 4.030 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 4.00 cc - Coated Skirt - Small Block Chevy - Set of 8 356907 Drag Race ServosSophisticated "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 technologies,