JE Pistons Tour Series GP (Gas Ported) Flat Top Piston Set - SB Chevy 359 C.I. - Bore" 4.040" - Stroke: 3.500" - Rod Length: 6.000"
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Similar 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. Includes:
JE Pistons is the leader in high performance forged pistons. JE Pistons has built a reputation that the competition can only follow. JE Pistons has a history of manufacturing the highest quality pistons and components that professional engine builders, race teams, and high performance enthusiasts alike trust and rely JE Pistons. The top engine builders in NASCAR, NHRA, IRL, IHRA, IDRA, PROSTAR and others choose JE Pistons over any other brand. JE Pistons position at the forefront of performance piston manufacturing has been a result of continuous research and development of unique materials, piston designs and technologies.
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