ProTru by Wiseco Windsor Flat Top Piston Forged 4.040" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 7.0 cc 42055 Forget foaming and fluid turbulence

Forget foaming and fluid turbulence with our innovative internal return tube

Heavy-duty blades are twice as thick as standard blades for removing large amounts of material with less chance of blade damage

Fits small body shocks

MORE POWER

Engine Dress-Up

ProTru by Wiseco Windsor Flat Top Piston Forged 4.040" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 7.0 cc 42055 Forget foaming and fluid turbulenceFord Small Block WindsorWiseco 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 Windsor Flat Top Forged 4. 040 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Minus