Go Fast Bits Under-Drive Crank Pulley w/ Belt Mitsubishi Evo 8 / Evo 9 2003-2006 vendor_Gates Eliminates deflection found in factory

Eliminates deflection found in factory rubber bushings

OBS 5-door

This is a replacement sensor for the AEM UEGO

Part #: SK-400BC

Go Fast Bits Under-Drive Crank Pulley w/ Belt Mitsubishi Evo 8 / Evo 9 2003-2006 vendor_Gates Eliminates deflection found in factoryGFB lightweight pulley kits are made from aircraft grade 6061 T6 aluminum and offer faster acceleration through significant weight reduction on the crankshaft. The effect is similar to a lighter flywheel, and the car feels more lively and willing to rev. Most of our kits are underdriven, which means the accessories are driven slightly slower to reduce parasitic losses. Part #: 2011 It should be noted that our underdrive pulley kits do NOT adversely