Wiseco ProTru Forged Piston- Dome Top - 4.165" Bore - 3.750" Stroke - 6.000" Rod - Chevy 400 62100012 it is recommended to operate

it is recommended to operate these pumps using one pump for daily driving and low power levels and bring the second pump in with a pressure switch or other device when fuel flow needs increase

1975-1991 Ford E-250 Econoline Club Wagon

Homologated by the FIA World Motor Sport Council and developed by Stilo

7/16-inch inner diameter

Hellwig 07-13 Chevrolet Silverado 1500 Solid Heat Treated Chromoly 1-1/8in Rear Sway Bar

Wiseco ProTru Forged Piston- Dome Top - 4.165" Bore - 3.750" Stroke - 6.000" Rod - Chevy 400 62100012 it is recommended to operateManufactured 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