S&S Cycle Pinion Shaft And Camshaft Bolt Kit For Harley High-quality components are crucial for ensuring engine reliability and performance. Investing in first-class fasteners can make all the difference in dependability and longevity. So when you're building a performance motor and every detail matters, you can count on this bolt kit for an extra layer of security. Features: 12-point heat-treated 8740 chrome moly steel and black oxide finished Precision engineered rolled threads for optimal engagement Even load distribution with enhanced under head flange Unmatched strength that surpasses grade 8 fasteners Made in the USA