Bolt-in, legal performance No need for expensive dyno tuning Display vehicle data channels in real-time Weather-resistant for use in all conditions High contrast display, viewable in direct...

Right side roller main bearing for 1958-1999 big twin engines. Large size, Red color code Replacement right side crankcase main bearing assemblies Made in the U.S.A. Compatible...

Convert any shovelhead engine to a quiet, dependable 1984-'99 style hydraulic valve train Special polished billet tappet guides allow the use of late style tappets (included) and 198-'99...

Provides twice the surface area of the stock filter for up to 37% more airflow and a five horsepower gain Engineered to boost performance Design maintains leg clearance Covers are included Made...

Replacement ring sets for S&S pistons only Rings come as sets for two pistons Made in the U.S.A.

Provides twice the surface area of the stock filter for up to 37% more airflow and a five horsepower gain Engineered to boost performance Design maintains leg clearance Covers are included Made...

Same width oil supply and return gears as the stock HD aluminum pump S&S pinion and oil pump drive shaft drive gears increase potential oil volume delivery by 25% over stock on 1972 and earlier...

Professional appearance suitable for display, and protects stands from corrosion and minor abrasions Constructed of heavy gauge stamped steel with "S&S" laser cut in both ends Durable...