Spool EJ257 WRX STI Connecting Rods and CP Forged Pistons
Spool EJ257 WRX STI Forged Connecting Rods and CP Forged PistonsPistons are available in:
- Compression Ratios: 8.2:1, 9.0:1 and 10.0:1
- Bore Sizes: STD 99.5mm, 99.75mm, 100mm and 100.5mm
- Pistons come with rings, gudgeon pins and pin locks
- Forged Billet 2618
Spool Connecting Rods Feature:
- ARP 2000 fasteners (L19 fasteners are available as an upgrade)
- High tensile 4340 forged steel
- 2 Piece forging
- Hardness of HRC36-42
- Dowelled caps for precision alignment
- X-RAY & Sonic tested
- Quenching and heat treated
- Shot peened
- 100% Magnafluxed
- Weight Matched Sets +/- 1 gram
- Vacuum degassed to remove impurities
Note: We recommend Joe Gibbs Break in Oil for all new engines.
|Product Name||Spool EJ257 WRX STI Connecting Rods and CP Forged Pistons|
|Engine||EJ20 / EJ25 / EJ255 / EJ257|
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