ProTru by Wiseco Chevy Big Block Dome Piston Forged 4.310" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Plus 21 cc 54111111 3-1/2 in Wide x 1-1/2

3-1/2 in Wide x 1-1/2 in Tall x 3/4 in Depth

1/4 in NPT Return

push-in Breather

FORD V8 351CI 5

tunnel ram gasketSince 1938

ProTru by Wiseco Chevy Big Block Dome Piston Forged 4.310" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Plus 21 cc 54111111 3-1/2 in Wide x 1-1/2Chevrolet Big Block 454Wiseco 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 Chevy Big Block Dome Forged 4. 310 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Plus