ProTru by Wiseco Pro Tru Street Series Piston - Forged - 4.030" Bore - 1/16 x 1/16 x 3/16" Ring Grooves - Minus 4.0 cc - Small Block Chevy 4031 Hedman Hedders Street Rod Painted

Hedman Hedders Street Rod Painted Block Hugger Exhaust Hedder 58160 Tube Size 1

An adjustable mechanical advance assembly allows you to get the most performance out of your Vette's engine by custom tailoring a timing curve to fit your application

Aluminum hold-down mounts to the deck lid filler & can be trimmed to fit any body style

Durable cufflink ends to stay tightly connected to the helmet and pumper system

Valve Spring Shim Kit

ProTru by Wiseco Pro Tru Street Series Piston - Forged - 4.030" Bore - 1/16 x 1/16 x 3/16" Ring Grooves - Minus 4.0 cc - Small Block Chevy 4031 Hedman Hedders Street Rod PaintedChevrolet LSWiseco 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: Pistons and Rings Pro Tru Street Series Forged 4. 030 in Bore 1 16 x 1 16 x 3 mm Ring Grooves Plus 4. 00 cc