Wiseco ProTru Forged Piston- Flat Top - 4.060" Bore - 3.750" Stroke - 6.000" Rod - Chevy 350 016440NRNR and full instructions

and full instructions

1974-1974 Chevrolet C30 Pickup

A dash mounted control knob lets you adjust the amount of timing retard

65mm size is ideal for stock manifolds

Wiseco ProTru Forged Piston- Flat Top - 4.060" Bore - 3.750" Stroke - 6.000" Rod - Chevy 350 016440NRNR and full instructionsManufactured 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