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Dorchester Center, MA 02124
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Weekend: 10AM - 5PM
JAmodified forged racing piston-High performance piston rings for subaru-EJ20:BORE3.622-CR8.5
- Forged piston for Subaru-EJ20
- 4032 Alloy: Will not shatter like hypereutectic or cast pistons
- Strutted skirt design is the strongest and designed to run at as little as .004″ clearance with excellent skirt wear and minimal noise or rock
- Strutted skirt design is the strongest and designed to run at as little as .004″ clearance with excellent skirt wear and minimal noise or rock
- JA modified forged racing piston for Subaru EJ20,JA modified automotive forged car engine piston for Subaru EJ20,JA modified factory direct for car engine rebuliding kits for Subaru EJ20
Specifications
Details
Specifications
| Cylinder | 4 |
| Bore Diameter (mm/in) | 92/3.622 |
| Compression Height (mm/in) | 32.6/1.283 |
| Comression Ratio | 8.5:1 |
| Pin Bore (mm/in) | 23/0.905 |
| Stroke (mm/in) | 75/2.952 |
Details
JA modified specialize for Forged piston and connecting rod business on racing and performance market. JA MODIFIED today is a manufacturing company capable of researching and developing new or modified products to meet various customers’ needs.
JA piston feature a unique PTFE coating on the skirts and a grade of 4032 Alloy (T6) which allows the engine builder to run a closer piston to bore tolerance . This helps remove the slapping noise during cold start, common place among engines running forged pistons due to larger then OE bore clearances.
Additional Information：
Honed & reamed pin bores and precise fit
High tensile strength and evenly distributed hardness
- Withstands up to 42psi of turbo boost, w/alcohol, w/out any problems
Custom piston:JAmodifed can produce pistons for almost all engines. If the parts you need are not within our standard, or you need pistons with different configurations, please fill in the CUMSTOM FORM and check PISTON CATALOG, we will have a design engineer to measure for you Customized.
See Other Pistons:
Yamaha-YFZ450：Bore 3.700/3.7400-CR
If you are interested in this piston,please contact us online or contact our sales team.
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