Wiseco ProTru Forged Piston- Dome Top - 4.165" Bore - 3.750" Stroke - 6.000" Rod - Chevy 400 ididit 2-3/4 in O-Ring

2-3/4 in O-Ring

An elastic waistband and hook and loop closure keep the pants pulled taught for proper fit

Fan spacers position fan closer to radiator or fan shroud and away from pulleys

The most cost effective LS/LT bracket solution on the market

Blue / Gold Anodized

Wiseco ProTru Forged Piston- Dome Top - 4.165" Bore - 3.750" Stroke - 6.000" Rod - Chevy 400 ididit 2-3/4 in O-RingManufactured 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