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 Engine Gaskets & Seals 040" Valve Pocketed Gasket BoreSince

040" Valve Pocketed Gasket BoreSince 1989

Gray/Black

High quality OE style flange and band clamps are used for an improved seal

Ferrea uses the latest technological advances gained through the development of engine valve programs for Formula 1

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 Engine Gaskets & Seals 040" Valve Pocketed Gasket BoreSinceChevrolet 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