STM Under-Driven Alternator Pulley with Raised Guides for Evo 4-9 TRS (1) Trumpet

(1) Trumpet

Upgrading the fuel pump in your Evo X has never been easier

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This is the same ignition system that can be found on ALL of the high horsepower Evo's at Buschur Racing including the 9sec daily drivers

The Swift coilover stacked spring adapter kits are used to stick a flat wire spring on a round wire spring

STM Under-Driven Alternator Pulley with Raised Guides for Evo 4-9 TRS (1) TrumpetThe STM Evo 4 9 10% under driven alternator pulley with raised guides was originally designed to help stop the belt from jumping off at high RPM. This new revision makes the pulley 10% under driven and lighter than stock, which lightens the load on your alternator. Fits all Evo 4 5 6 7 8 9 models and works with OEM and stock replacement belts. Vehicle Fitment: CN9A 1996 1997 Evolution IV CP9A 1998 2000 Evolution V VI CT9A 2001 2006 Evolution VII VIII