JE Pistons and Rings 100 Bore 79mm Stroke 11.5 Comp 1997-1999 Subaru EJ25 DOHC Supra_1993-1998 See the diagram on the

See the diagram on the left below

Part #: 658 541 A

From the factory excess crankcase vapors

Precision CNC MachiningBalanced to ±1 gram for smooth

25mmSeat Type: Tapered

JE Pistons and Rings 100 Bore 79mm Stroke 11.5 Comp 1997-1999 Subaru EJ25 DOHC Supra_1993-1998 See the diagram on thePart #: 314340 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. Fitment: SUBARU EJ25 DOHC 1997 1999 STD Bore: 99. 5mm Deck Clearance is "0" Compression is calculated with . 054" Head Gasket Features: Dome Dish requires no deburring or