The CMI 12 Spoke Billet Crank Pulley Kit, crafted with precision in the USA and CNC machined from premium 6061-T651 Billet Aluminum. This part showcases the CMI logo and timing marks, expertly engraved directly onto the surface. It boasts a durable, heat-treated 4140 steel hub with a sleek black zinc finish, securely affixed with six stainless steel flat-head cap screws. Additionally, this pulley is designed to accommodate an optional Crank Trigger kit, available for separate purchase, with pre-drilled and tapped holes for easy installation.

Note: Also available WITH a Sand-Seal hub (#2116-SS)

Pulley: 6061-T651 Aluminum
Finish: Hard Black Anodized
Hub: Heat Treated 4140 Steel - Black Zinc Plated (50mm)
Size: 5.25" Diameter