JE 291062 Pistons kit SUBARU STI EJ257 8.5 (Set of 4 pic) Bore 100,00 Oversize 0,50 Stroke 79,00 CR8.5:1
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SUBARU EJ257 TIME ATTACK "FSR"
SUBARU 2004+ IMPREZA STI , 2005+ FORESTER XT, LEGACY GT, 2006+ WRX EJ257
- Time Attack FSR Pistons now available!
- 2618 T6 high tensile forged aluminum
- JE designs are specifically engineered for extreme applications up to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.
- Dome and dishes feature smooth flowing radii for excellent flame travel.
- 1.2 x 1.2 x 2.5mm ring widths.
- .905 x 2.500 straight wall carbon steel wrist pin provided.
- Pin fitting and wire locks included
- Rings Now Included
Bore: 100.0
Oversize: 0.50
Stroke (mm): 79
Rod (mm): 130.5
C/D (mm): 30.7
Head CC's: 57.0
C/R with 0.40: 8.5:1
Dome CC's: -17.3
Weight: New
Footnote: T
Skirt: F
Included Ring Set: JC4404-3938