Fitments
40-68 all H-D models and many custom applications
Part Description
Spark plug holder. Chrome
Reproduction steel spark plug holder. For two spark plugs, either short or long reach. The included OEM U-bolt type clamp, that clamps around the frame tube, will fit both stock and many custom applications where a nostalgic presence is required. Replacement reference 91775-51, 91775-51T. Note: Not compatible with 10mm and 12mm threaded spark plugs.