JE Pistons for Subaru Engine type EJ257 Billet FSR C/R: 8.8:1
product properties
| Product number: | JE-310927 |
|---|---|
| Manufacturer: | Subaru |
JE pistons for
Subaru Engine type EJ257 Billet FSR
Dome/Dish requires no deburring or preparaton. 100% CNC machined billet piston
Specifcally designed for high horsepower Subaru racing engines up to 1200hp
Manufactured from high quality, certfed 2618-T6 aluminum alloy Internal and external strut braces
Premium 9310 steel wrist pins included (.905 x 2.250"), DLC upgrade available. Pin ftng, Tru Arc locks, and rings included
| Part No | Bore | Over- size (mm) | Stroke (mm) | Rod (mm) | C/D (mm) | Head CC´s | C/R with 040 | Dish/ Dome CC´s | Gram | Foot- note |
Skirt |
| JE-310927 | 99.5 | STD | 79 | 130.5 | 30.7 | 57 | 8.8:1 | -14.1 | New | T,M | F |
| JE-286463 | 100.0 | 0.5 | 79 | 130.5 | 30.7 | 57 | 8.8:1 | -15.1 | 392 | T,M | F |
Footnotes:
| F | FSR (Forged Side Relief) |
| G | Stock Block Must Be Re-Sleeved |
| L | Limited Availability |
| M | Made to Order |
| N | Must sleeve block |
| R | Full Round Skirt |
| T | Accepts Turbo and Nitrous |
| U | Not Designed for use with Turbo or Nitrous |
| V | Accepts Nitrous |
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.
Dome/Dish requires no deburring or preparation and feature smooth flowing radii for excellent flame travel.
Pin fitting, wire locks, and rings included.
EJ257 Billet FSR
Dome/Dish requires no deburring or preparaton 100% CNC machined billet piston Specifcally designed for high horsepower Subaru racing engines up to 1200hp Manufactured from high quality, certfed 2618-T6 aluminum alloy Internal and external strut braces Premium 9310 steel wrist pins included (.905 x 2.250"), DLC upgrade available Pin ftng, Tru Arc locks, and rings included