JE Pistons are specifically engineered for extreme applications up to, and including, professional competition. These pistons are made with 2618 T6 high tensile forged aluminum alloy and featuring smooth flowing radii for excellent flame travel.

Features

• 2618 T6 high tensile forged aluminum
• Dome and dishes feature smooth flowing radii for excellent flame travel
• 1.2 x 1.2 x 2.5mm ring widths
• .905 x 2.250 straight wall carbon steel wrist pin provided
• Pin fitting and Tru Arc locks included
• Rings Now Included

Specifications

• Bore Size: 99.75
• Oversize: 0.25
• Stroke: 79
• C/R: 9.5:1
• Dome Volume: -7.3
• Weight: 425
• Skirt Style: F

Applications

• 2004+ Subaru STi EJ257
• 2005+ Subaru Forester XT EJ257
• 2006+ Subaru WRX EJ257