JE Pistons and Rings 99.75 Bore 79mm Stroke 8.5 Comp 1999+ Subaru EJ25 SOHC Vehicle Model_Miata w/ Auto Trans

w/ Auto Trans

Race-proven durability

rate increase over stock +80%

Fits HICAS and non-HICAS models

Why Choose the BC0040 Kit

JE Pistons and Rings 99.75 Bore 79mm Stroke 8.5 Comp 1999+ Subaru EJ25 SOHC Vehicle Model_Miata w/ Auto TransPart #: 314342 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 SOHC 1999+ STD Bore: 99. 5mm Deck Clearance is . 015 below deck Features: Dome Dish requires no deburring or preparation 2618 T6 high tensile forged aluminum