High-quality gaskets from Twin Power are built to meet or exceed OE-quality standards. They provide leak-proof sealing and durability for Shovelhead, Evolution Big Twin, Sportster and M8 engines...

Twin Power™ head gaskets deliver premium sealing performance, ensuring maximum compression, reliability, and durability for Harley-Davidson Big Twin and M8 engines. Includes two high-quality head...

Twin Power™ rocker box gasket kits include the critical gaskets needed to reseal rocker boxes on popular Big Twin and Sportster engines, helping control top-end oil leaks. Ideal for top-end...

Top End Kits include all necessary gaskets needed when performing a top end repair or replacment. Ideal for top-end rebuilds, performance upgrades, or routine refreshes across multiple Harley...

A high-quality replacement rocker arm for 66-84 Shovelhead models from Twin Power™. Manufactured to O.E.M. specifications and tolerances. Durable construction to handle V-Twin torque in everyday...

Quality replacement sprocket for early XL and Big Twin models. The Twin Power™ Rear Sprockets for Drum Brakes are made from hardened steel and is a 51 tooth sprocket. Specifically sized for...

A high-quality O.E.M. style chrome mechanical stop light switch for 67-74 XL models. Our quality O.E.M. replacement type mechanical stop light switches fits 67-74 XL Rear, H-D® #72004-70T Durable...