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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
22mm in sizing
Includes new urethane bushings
to maximize the cooling effects
the OEM crank pulley does not act as a harmonic damper found on for example traditional V8 engine dampers
Perrin Air Oil Separator (Red) - Subaru WRX VA Monster Lug 22mm in sizingThe PERRIN Air Oil Separator traps oil from the crank case vents before it enters the intake, reduces carbon build up, increases intercooler efficiency, which reduces the chance of performance robbing detonation.
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