S&S Cycle Flangeless Camshaft Cover For Harley Big Twin Give your Big Twin engine a clean, custom touch with the S&S Cycle Flangeless Camshaft Cover. Made from durable 356-T6 aluminum castings, it combines a cast inner cover with a decorative bolt-on outer cover and accommodates both points and electronic ignition setups. Features: Machined from durable 356-T6 aluminum castings, the same material used in S&S crankcases Features an inner cast aluminum cover with a decorative bolt-on outer cover Includes an internal breather passage for crankcase ventilation Compatible with points or electronic ignition systems Made in the USA