ProTru by Wiseco 23 Degree Dome Piston Forged 4.040" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Plus 8.0 cc 913012 For circuit use

For circuit use

and Extra Wide 15

Mud Deflectors and more

Dyno proven horsepower saving windage tray

Coolant Expansion Tank

ProTru by Wiseco 23 Degree Dome Piston Forged 4.040" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Plus 8.0 cc 913012 For circuit useChevrolet Small 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 23 Degree Dome Forged 4. 040 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Plus 8. 00