JE Pistons Tour Series GP (Gas Ported) Flat Top Forged Piston Set - SB Chevy 359 C.I. - Bore" 4.040" - Stroke: 3.500" - Rod Length: 6.000" Bilstein Shocks Nitro Drop 2 Replacement Twin

Nitro Drop 2 Replacement Twin Tube Gas Charged Shock Absorber Set for Lowered Truck and SUV

Spacers can only be used with wheels that have cut-outs (facing the hub) to clear the stock Studs

The lightweight 1" tubes

Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs

JE Pistons Tour Series GP (Gas Ported) Flat Top Forged Piston Set - SB Chevy 359 C.I. - Bore" 4.040" - Stroke: 3.500" - Rod Length: 6.000" Bilstein Shocks Nitro Drop 2 Replacement TwinSimilar to the Ultra Light GP, this piston has undergone engineering changes to handle higher horsepower 4 barrel applications (approximately 650 hp) and angle milled heads. Both 350 and 400 series accept oversize valves (intake pocket is 2. 255" and the exhaust pocket is 1. 870") and long duration, tight lobe separation cams. The ring grooves are precision machined for . 043, . 043, 3mm back cut rings with lateral gas ports for superior ring seal.