JE Pistons MITSU 4G63 EVO KIT Set of 4 Pistons 2025-subaru-forester-esi2173052 Brian Crower 02-09 WRX /

Brian Crower 02-09 WRX / 04-09 STI EJ205 / EJ255 / EJ257 STD Size STD Tip (36mm) Intake Valve Set 8

Every tune parameter undergoes months of testing on our in-house dyno systems that utilize the world's only Sea Level Generator developed specifically to verify tune operations in any condition

we have integrated the PCV Inlet as well as the mounting arm into the Unibody Cast Aluminum housing

(p/n 450-502002-B) Both the stem and bolt threads are pre-coated with Vibra-tite threadlocker

and anti-rattle clips

JE Pistons MITSU 4G63 EVO KIT Set of 4 Pistons 2025-subaru-forester-esi2173052 Brian Crower 02-09 WRX /As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import and sport compact applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag strip, JE Pistons? performance is proven in victory