Over 6 years we have been in auto racing field, we are profesional in silicone products, reinforce or non-reinforce which is used in engine turbo, coolant, radiator hoses and connect kits(coupler, reducer, hump coupler, hump reducer,90degree elbow,45 degree elbow) to replace the original plastic, stainless or black rubber pipe. Meanwhile, we also supply the affiliate products in racing field, such as oil filter, air filter, t-bolt clamps, oil pump, air-intaker, belt, pulley and more. Any information needed, please check our website