Wiseco ProTru Forged Piston- Dome Top - 4.030" Bore - 3.480" Stroke - 5.700" Rod - SB Chevy 350 2060003 9/16" Wrench Size & 7/32"

9/16" Wrench Size & 7/32" Hex on Lock

1973-1973 Pontiac Grand Am

Designed to provide storage area to save work space

Washers and Screws Installation Instructions

Wiseco ProTru Forged Piston- Dome Top - 4.030" Bore - 3.480" Stroke - 5.700" Rod - SB Chevy 350 2060003 9/16" Wrench Size & 7/32"Manufactured by Wiseco, ProTru Pistons are forged and affordable with features usually only found in more expensive pistons. Wiseco Pro Tru Kits include pistons and wrist pins. Ideal for racers on a tight budget. The pistons feature CNC machined domes, oversized valve pockets for use with larger diameter valves and higher lift camshafts, and precision reamed, pressure fed wrist pin oiling holes. Last but not least, the wrist pins are made from