R-LOK SERPENTINE CRANK PULLEY, 3.0"

30% reduction

Pulleys are hard coated to C-70 Rockwell hardness and machined to SAE specifications with 30% more surface for belt to contact. Pulleys are available in 1:1, 15%, 30% or 40% reduction. For use with KRC power steering pump. Specifications are based off short water pump.

KRC crank hubs are CNC machined from 6061-T6 aluminum, lightened with lightening pockets, and are anodized black for a sleek finish. KRC revolutionary R-Lok crank system allows for an endless amount of crank pulleys to be stacked and locked together. This provides for a more positive and lightweight drive than a conventional mandrel system. The R-lok system is more concentric and truer than the conventional pin-drive systems.