Ford 302W Stroker - Heavy Duty Flat Top Forged Piston347 c.i., 4.030" bore, 3.400" stroke, 5.400" rod length, -5.0cc dome volumeBrand: JEPart Number: J188703Description: This piston set is an excellent choice for pump gas, nitrous, or race fuel/E85 forced induction combinations. Will accommodate oversized valves and long-duration, tight lobe separation cams. Precision CNC machined ring grooves accept 1/16", 1/16", 3/16" rings. Pin upgrade recommended above 700hp. Recommended ring sets contains low tension oil ring; for standard tension, change ring prefix to J100F8. Hardened Nitrous Series (HNS) rings also available, change ring prefix to J820F8. Includes : Pin #927-2750-15-51S (130g) Contact reduction grooves Double spiro locks #927-042-CS Specifications : Part #: J188703 CID: 347 Bore: 4.030 Stroke: 3.400 Rod Length: 5.400 Block Height: 8.200 Compression Height: 1.100 Compression Ratio with 56cc chamber volume: 11.2 Compression Ratio with 60cc chamber volume: 10.6 Compression Ratio with 64cc chamber volume: 10.1 Dome Volume: -5.0cc Gram Weight: 411 Footnote: Oil Rail Support is Included, .927 Pin Diameter Oversize: 0.030 Recommended Ring Set (Check Proseal listing to determine oil ring tension): J10008-4030-5 With over 60 years of experience, JE Pistons is the leader in high performance forged pistons. We've built a reputation that the competition can only follow. JE has a history of manufacturing the highest quality pistons and components that professional engine builders, race teams, and high performance enthusiasts trust and rely on.The top engine builders in NASCAR, ALMS, NHRA, AMA Supercross and others choose JE Pistons over any other brand. For over 60 years, JE's position at the forefront of performance piston manufacturing has been a result of continuous research and development of unique materials, piston designs and technologies. Utilising State-Of-The-Art CNC machines for manufacturing along with purpose-designed forgings, JE is able to maintain exacting specifications on each and every piston and hold tolerances to millionths of an inch. Also available from JE is industry-leading processes like Ultra Crown, a Digital Three Dimensional piston crown machining process and Finite Element Analysis (FEA). FEA is a computer process whereby stress and fatigue are tested on a computer model before it goes into production. JE is the only performance piston manufacturer to earn the QS-9000 quality standard which confirms that JE provides customers the highest standards in quality control. In addition, we also have State-Of-The-Art inspection equipment and testing equipment which enables us to constantly bring you, the customer, the very latest in piston design configurations.
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