PERF-FORM FILTERS,has been in the business of manufacturing premium quality motorcycle oil filters since 1981. Our focus is on producing the best motorcycle oil filters in the world. We use premium quality materials. Prime Tin-Plated steel end caps, special high temperature plastisol, Microglass \ Synthetic enhanced saturated filter media are some of the features Perf-form Filters offer, features that will prolong engine life and performance. Features you won't find in other motorcycle oil filters on the market.