ProTru by Wiseco 23 Degree Flat Top Piston Forged 4.165" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 7.0 cc LY23171 The sealed needle bearing design

The sealed needle bearing design will last ten times longer than a standard pin and block universal joint

Modern blue LED through-the-dial lighting provides clear visibility during nighttime use

Note about Titanium Exhaust Systems:DEI does NOT recommend wrapping exhausts made of titanium

3" x 2" x 1

They transform jet changing into an easy process with no worries of ripped gaskets

ProTru by Wiseco 23 Degree Flat Top Piston Forged 4.165" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 7.0 cc LY23171 The sealed needle bearing designChevrolet 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. 165 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves