Engine

Active filters
Precision cam shims for accurate valve adjustment. Made in the U.S.A.
Durable radiator guard with mounting bracket for easy installation. Protects against rocks and road debris. Made in the USA.
Direct-fit piston pin clips for many Harley models. Made in the USA and built to OEM-equivalent standards.
Designed for twin plug heads. Accepts .650"/10mm x 1.0 compression release valves. Sold each.
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.
Direct-fit oil line for Knucklehead engines. Easy installation; professional fitting recommended.
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.