ProTru by Wiseco 23 Degree Flat Top Forged Piston and Ring Kit - 4.155 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Minus 5.00 cc - Small Block Chevy PTS510A3 Racing Socks Stainless Steel tool compresses rings

Stainless Steel tool compresses rings on the pistions to make installation easy

Mounting base

Billet Steel Hubs And Shielded Seal Roller Ball Bearings

Works with stock and most aftermarket headers and exhaust systems (Does not fit with Kooks LT Headers)

ProTru by Wiseco 23 Degree Flat Top Forged Piston and Ring Kit - 4.155 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Minus 5.00 cc - Small Block Chevy PTS510A3 Racing Socks Stainless Steel tool compresses ringsChevrolet Small Block 400Wiseco 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 Flat Top Forged 4. 155 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves