inc. GST

SKU: J232475

BRAND: JE Pistons

Ford 302W Stroker SVO/Dart Block - Big Bore Forged Piston
364 c.i., 4.125" bore, 3.400" stroke, 5.400" rod length, 6.5cc dome volume

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Designed for use in aftermarket race blocks, these big bore pistons will accommodate larger valves and long-duration, tight lobe separation cams. Compatible with most 20° wedge cylinder heads and will accept moderate nitrous. Precision CNC machined ring grooves accept 1/16", 1/16", 3/16" rings. Pin upgrade recommended above 700hp. Recommended ring set contains low tension oil ring; for standard tension, change ring prefix to J100F8. Hardened Nitrous Series (HNS) rings also available, changed ring prefix to J820F8.


  • Pin #927-2750-15-51S (130g)
  • Double Spiro locks #927-042-CS
  • Double pin oilers

Specifications :

  • Part #: J232475
  • CID: 364
  • Bore: 4.125
  • Stroke: 3.400
  • Rod Length: 5.400
  • Block Height: 8.200
  • ssion Height: 1.100
  • Compression Ratio with 56cc chamber volume: 13.6
  • Compression Ratio with 60cc chamber volume: 12.8
  • Compression Ratio with 64cc chamber volume: 12.1
  • Dome Volume: 6.5cc
  • Gram Weight: 438
  • Footnote: Solid dome design, Oil Rail Support is Included
  • Oversize: STD
  • Recommended Ring Set (Check Proseal listing to determine oil ring tension): J10008-4125-5

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 earch 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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