Engine

Active filters
Precision cam shims for accurate valve adjustment. Made in the U.S.A.
Direct-fit piston pin clips for many Harley models. Made in the USA and built to OEM-equivalent standards.
Precision-machined spacer for motor sprocket shafts. Made in the USA.
Precision support discs for motorcycle bearing assemblies. Durable steel construction with corrosion-resistant finish. Made in the U.S.A.
Replacement dowel pins for precise alignment and secure assembly.
Precision-fit components that seal and secure engine tube assemblies. Made in the USA.
Steel-base, one-piece crankcase vent filters. 50.8 mm (2") diameter; 38.1 mm (1½") height. Available with or without mounting stud.
Direct-fit oil line for Knucklehead engines. Easy installation; professional fitting recommended.
High-performance camshaft with Endurance Ramps for broad torque, reduced valve train noise, and billet steel construction.
Precision rod races made in the U.S.A. for reliable seating and reduced wear.
Precision crankcase bearings that meet or exceed original equipment specifications. Made in the United States.
Includes bearings and bearing retainers for reliable rod-end support during engine repair and maintenance.