ProTru by Wiseco 23 Degree Flat Top Forged Piston and Ring Kit - 4.060 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Minus 5.00 cc - Small Block Chevy PTS503A6 Hose Line & Tubing Its -8AN fittings allows for

Its -8AN fittings allows for simple and clean connection to your transmission or engine oil lines

An outstanding reproduction

11 to 15 in Long

350 Crankshaft

Installation Tubing Kit

ProTru by Wiseco 23 Degree Flat Top Forged Piston and Ring Kit - 4.060 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Minus 5.00 cc - Small Block Chevy PTS503A6 Hose Line & Tubing Its -8AN fittings allows forChevrolet 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 Flat Top Forged 4. 060 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Minus 5.