Wiseco ProTru Forged Piston- Dome Top - 4.030" Bore - 3.480" Stroke - 5.700" Rod - SB Chevy 350 42082BL These racks are designed for

These racks are designed for the 5

8:1 compression ratio when used on 1987-95 TBI-equipped 7

Vehicle Applications: GMC SIERRA 1500 CREW CAB/CHEVROLET SILVERADO 1500 CREW CAB 19-20

110 mm Length

Mercury C4 automatic transmissions

Wiseco ProTru Forged Piston- Dome Top - 4.030" Bore - 3.480" Stroke - 5.700" Rod - SB Chevy 350 42082BL These racks are designed forManufactured 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