Wiseco ProTru Forged Piston- Flat Top - 4.060" Bore - 3.750" Stroke - 6.000" Rod - Chevy 350 HXY2221 Oval Port Dimensions: 1

Oval Port Dimensions: 1

With special compartments for storing racing helmets and shoes

Coleman Sportsman Hub

Improve Throttle Response

Wiseco ProTru Forged Piston- Flat Top - 4.060" Bore - 3.750" Stroke - 6.000" Rod - Chevy 350 HXY2221 Oval Port Dimensions: 1Manufactured 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