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 2070132 MSD Timing Retard Module Kit

MSD Timing Retard Module Kit 8776 5/6/7/8/9/10 Degree

Various pigtails and light sockets are provided

470 in Springs

black or EnduraShine finish for a look you've got to see to believe

Genuine 3M Adhesive backing for EASY installation

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 2070132 MSD Timing Retard Module KitChevrolet 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