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 Valve springs with larger diameters

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

Offered in male NPT and male AN thread sizes - in straight and 90 configurations

3/8" NPT TO 3/8" NPT MALE COUPLING

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

and Maverick's and Comets which may require modification

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 Valve springs with larger diametersSimilar 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.