Description
Description
JE Pistons is the leader in forged racing pistons. With 70-plus years of experience, in-house forging, and industry-leading technology, JE Pistons are designed to perform at the top levels of all forms of motorsports. With a legacy of wins in rally, drag, road racing, and more, Subaru’s rich motorsports history, and sky-high power potential requires a robust and precision piston to get the job done.
JE’s Subaru pistons utilize thickened ring lands to support higher boost, and include a plethora of other performance features. They are available in multiple compression ratios, styles, and take into account popular crankshaft strokes for those looking to increase displacement. All piston sets include carbon steel wrist pins, premium carbon steel gas nitrided pistons rings, and locks.
Technical Specifications
Technical Specifications
Make | SUBARU |
---|---|
Engine | EJ SERIES |
Bore Diameter | 99.75 |
Compression Height | 1.130 |
Piston Volume | -21.1 |
Cylinder Head | EJ257 STI |
Piston Pin Outside Diameter | 0.905 |
Piston Pin Length | 2.250 |
Piston Pin Material | 5115 |
Ringset Included | Yes |
Top Compression Ring Thickness | 0.048 |
Second Compression Ring Thickness | 0.048 |
Oil Ring Thickness | 0.0995 |
Piston Material | 2618 |
Forging Type | FSR |
Piston Avg Weight | 391 |
Pin Wall Thickness | 0.180 |
Piston Type | Dish |
Product Market | Sport Compact |
Prop 65 Yes/No | Yes |