FERREA SL1091 Racing Valve Spring Seat Locator for MITSUBISHI Evo 8 / 9 4G63 ymm_20 available for both iOS and

available for both iOS and Android platforms

- Smaller bore version for rear applications available - CP9449 / CP9450 & CP9451 families

Oxidation Stability

The BORLA system is a true dual resonator and contains an internal H-pipe for increased performance and improved sound

EXO Series exhaust wrap is designed for extreme environment use

FERREA SL1091 Racing Valve Spring Seat Locator for MITSUBISHI Evo 8 / 9 4G63 ymm_20 available for both iOS andDescription FERREA SL1091 Racing Valve Spring Seat Locator It is made of a strong chromium molybdenum alloy (4140 chromoly) using CNC machining for high precision and durability.