ProTru by Wiseco Dome Piston and Ring - Forged - 4.280" Bore - 1/16 x 1/16 x 3/16" Ring Grooves - Plus 21.0 cc - Big Block Chevy 1346009 reduced spark energy losses caused

reduced spark energy losses caused by long spark plug wires

CSR fuel pump block-off plates are used to block off the opening in the engine block whenever a mechanical fuel pump and pushrod are not used

Pinion Angle Shim

High Horsepower Apps Include Diesels/RVS/Trucks

ProTru by Wiseco Dome Piston and Ring - Forged - 4.280" Bore - 1/16 x 1/16 x 3/16" Ring Grooves - Plus 21.0 cc - Big Block Chevy 1346009 reduced spark energy losses causedChevrolet Big BlockWiseco Pro Tru is a division of Wiseco specializing pistons and piston rings for price conscious engine builders. They offer complete kits to fit a wide range of engines. Manufactured by Wiseco Performance Products, ProTru Forged Pistons are affordable with features usually found only in more expensive pistons. Product Description: Piston and Ring Dome Forged 4. 280 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Plus 21. 00 cc Big Block