Large Diameter Billet Throttle Pulley Upgrade Select size:Miata (standard) On board datalogging memory (8

On board datalogging memory (8 MB memory

Due to current demand

Built from A356-T6 heat treated aluminum to provide extreme durability

these XP-Series rod bearings layer copper-lead construction with a nickel plate barrier and a lead/tin/copper babbit overlay over a steel backing in an adhesion process that provides superior stability and durability

Large Diameter Billet Throttle Pulley Upgrade Select size:Miata (standard) On board datalogging memory (8Our two piece billet throttle cable pulley is designed to be paired with our original 74mm B series throttle body. By replacing the small 60mm diameter steel pulley with our new unit, the pedal travel and modulation is improved significantly, and the throttle feels just like stock. For our E30 swap, we created an even larger 65mm pulley to match the E30 pedal ratio which provides an even more substantial improvement in this chassis. Both pulleys bolt