$95.95
These sprockets convert 45" engines to use a Big Twin doublerow primary chain with our ‘Project 45’ frames. Install a 4-speed Big Twin transmission into the frame using the included mounting plate.... aligns perfectly with 1936–1964 OEM mainshafts.
45SPK20 20-tooth
45SPK22 22-tooth
45SPK24 24-tooth
WARNING: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov
