JE Pistons and Rings 100 Bore 8.5:1 Comp Subaru EJ257 Block W/ EJ20 Head

Part #: 291060. JE Pistons and Rings for SUBARU EJ257 BLOCK WITH EJ20 HEAD 'FSR'. These feature a brand - new high - strength FSR forging design! They're both strong and lightweight. After extensive on - track testing, they guarantee perfect performance in the toughest conditions for your Subaru WRX and STI. Key features: 2618 T6 high - tensile forged aluminum; engineered for high - horsepower Subaru engines; dome and dishes have smooth radii for great flame travel; 1.2 x 1.2 x 2.5mm ring widths;.905 x 2.500 straight - wall carbon steel wrist pin provided; includes pin fitting, Tru Arc locks, and JE Pro Seal Rings; comes with 4 pistons and 4 rings.

Using these JE pistons and rings in your Subaru EJ257 with EJ20 head is straightforward. Just follow the standard engine assembly procedures for your vehicle. When installing, make sure all parts are clean and free of debris. For best results, use proper lubrication on the pistons and rings. As for maintenance, regularly check the engine oil level and quality. If you notice any unusual noises or performance issues, stop using the engine and have it inspected. Periodically, you may need to check the ring gaps to ensure they are within the recommended specifications. This will help keep your engine running smoothly and extend the life of these pistons and rings.