Description
400 Small Block Chevy – 23° Dome Forged Piston
Small Block Chevy 434, 4.155″, 6.000″ rod length, 10.8cc dome volume
J182031
82031
These high-compression pistons are compatible with most aftermarket 23° heads and are ideal for drag racing and circle track applications. Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams. Precision CNC ring grooves are designed for 1/16, 1/16, 3/16 rings. Will not fit Pro Topline or Brodix 11X cylinder heads.Includes:Pin #927-2750-15-51S (130g)Contact reduction groovesDouble Spiro Locks #927-042-CSDouble pin oilersSpecifications :Part #: J182031CID: 434Bore: 4.155Stroke: 4.000Rod Length: 6.000Block Height: 9.000Compression Height: 1.000Compression Ratio with 58cc chamber volume: 16.6Compression Ratio with 64cc chamber volume: 15.2Compression Ratio with 76cc chamber volume: 12.9Dome Volume: 10.8ccGram Weight: 442Footnote: Oil Rail Support is IncludedOversize: .030Recommended Ring Set (Check Proseal listing to determine oil ring tension): J10008-4155-5With 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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