Designed for HD® Evolution OEM replacement. Machined from high‑grade metal with a corrosion‑resistant dark finish. Multipurpose alignment pins. Made in the USA.
High-density powdered metal valve seats for superior wear resistance and thermal stability. Tested for track and street use.
Precision-machined wrist pin bushings hold concentricity to less than .0002" and feature a lead-in edge for easy installation. Made in the U.S.A.
Proven N2 cam profile; runs to 6500 rpm with stock hydraulic lifters. Made in the U.S.A.
Stellite-tipped nitrided valve for improved wear resistance, reduced friction, and corrosion protection. Made in the USA.
Precision C630 bronze valve guides with tapered nose design for improved flow and OEM fitment.
Direct replacement cam drive sprocket. Replaces the stock 34-tooth unit; includes shims. Crankshaft sprocket is 17-tooth. Made in the U.S.A.
Precision-machined, compatible with no-lead fuel and all valve-stem materials; accepts special valve guide seals (sold separately); made in the USA.
Proven S&S 514 camshaft for strong mid-range power (2500–5000 rpm). For 84"–93" motors; ≤9:1. Requires spring spacing and professional installation checks.
Precision-machined cast iron construction; compatible with no-lead fuel; accepts special seals (sold separately); made in USA.
N2 Grind cams for dependable street performance. Runs to 6500 rpm with stock hydraulic lifters; solids not recommended. Stock base circle sizes allow use of stock pushrods. Made in the U.S.A.
Performance cam kit for use with stock hydraulic lifters. Made in the U.S.A. Stock base circle sizes retain stock pushrod compatibility.
Durable rocker cover gasket engineered for reliable sealing and resistance to fuel and heat. Made in the USA.