Subaru WRX 2.5 16V EJ257 JE Pistons Ultra Series CR 9.5 99.75mm 361331

Product detailed specification

Bore size

99.75mm

Stroke

79.00mm

JE Pistons compression ratio (CR)

9.5:1

OEM compression ratio (CR)

8.0:1

Dome volume (CC)

-7.3cm³

Compression height (CH)

30.70mm

Pin diameter

23mm

Features

Accepts Turbo and Nitrous; FSR series Skirt, Ultra series

Fits for

Subaru Impreza WRX STI - 2.5 16V (EJ257)