SPE Motorsport Coyote Gen 4 & 5 Whipple 5-Bolt 6 Rib Blower Pulley Size:2.7 6 rib That means it’s not uncommon

That means it’s not uncommon for the R&D team to be developing one part when the decision is made to develop another one

Non Permanent modification

SPE’s billet construction eliminates bushing flex

This means there is no need to drill and tap the blower lid when using the SPE blower water manifold

easy fix to the brittle

SPE Motorsport Coyote Gen 4 & 5 Whipple 5-Bolt 6 Rib Blower Pulley Size:2.7 6 rib That means it’s not uncommonSPE Coyote Gen 4 & 5 Whipple 5 Bolt 6 Rib Blower Pulley The SPE pulleys offer an unmatched amount of grip. If you want to push the limits of your Whipple blower look no further. They are available in 6 or 10 rib. The patent pending CNC Convex Knurling process (CKP) on the SPE pulleys offers a perfect balance between belt grip and wear. The machining process allows the rib surface to offer varying grip under different belt loads. Under minimal boost