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 2.250 straight wall carbon steel wrist pin provided.
Pin fitting and Tru Arc locks included
Rings Now Included
SUBARU EJ257 TIME ATTACK "FSR" NOTE: Standard Stroke Series now compatible with either OEM or aftermarket rods!
Shipping Weight (Dimensional)
WRX 06-07 GD, WRX 06-07 GG, WRX 08-14 GR
5.137" / 130.5mm
Rod Length Oversize
79mm (Standard Stroke)
Compatible with Stock Sleeves
Requires Aftermarket Sleeves
Compression Ratio Range
10.0:1 - 11.0:1
0.905" / 23mm
Included Ring Set
1.209" / 30.7mm
Wrist Pin Wall Thickness
Wrist Pin Dimensions
.905" x 2.250" x .180"
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