Go Fast Bits Under Drive Pulley Kit - Black - Subaru WRX 2008-14 Solid Lifter Cam attach to the lightweight E-Z

attach to the lightweight E-Z aluminum adjusters and reduce to the 2 inch webbing to accommodate most helmet restraint devices

Unit logs both minimum & maximum sensor readings to allow easy recording of information

1984-1991 Bentley Eight

2000-2007 GMC Yukon XL 2500

Fits most pumps with dual bolt pattern

Go Fast Bits Under Drive Pulley Kit - Black - Subaru WRX 2008-14 Solid Lifter Cam attach to the lightweight E-ZIn some vehicle applications additional performance benefits are available at high RPM by underdriving the accessories (slowing them down), which reduces the parasitic load on the engine. All underdriven kits are thoroughly tested to ensure that the benefit comes without compromising the accessory performance. Made from a single billet of 6061 T6 aluminium, then precision CNC machined to exacting tolerances, our pulley kits offer an exceptional bolt