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" 24-CHL-N-11 Clear Zinc plated finish- provides

Clear Zinc plated finish- provides attractive corrosion-resistant appearance

Wider angle (10°) locks to better distribute the ever increasing valve spring loads over the retainer than typical 7° locks (see drawing)

HP Smart Coil ignition sub-harness

Knitted Nomex is used with top and bottom gauntlets

Rated at 190

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" 24-CHL-N-11 Clear Zinc plated finish- providesSimilar 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.