JE High Comp Piston Set - QR25

Fits ALL QR25s /
Bore 89.0mm, Stroke 100mm, Rod Length 143mm, Flat Top -0.6cc, Grams 338, Set of 4
Compression Ratio:
10.8:1

JE Pistons are machined by the most advanced CNC machining technologies available. JE forged Pistons are trusted by racers and engine builds for dependability. JE Pistons are compatible with boost and nitrous.
Crown requires no deburring or preparation
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.
Crown design features smooth flowing radii for excellent flame travel.
1.0 x 1.2 x 2.8mm ring widths.
.787 x 2.250 straight wall carbon steel wrist pin provided.
Pin fitting, wire locks and rings included
Compression ratio calculated at .020" deck clearance with .025" thick head gasket