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Complete valve spring kit engineered for specific applications. Progressively wound, heat-treated and shot-peened springs supplied as a matched set for one engine. Made in the USA.
Progressively wound racing valve springs. Complete set for one engine. Designed for specific cam and valvetrain requirements.
High chrome valve seats with 18%–22% chromium and 1%–2% nickel. Machined from solid bar stock and ground to exact tolerances. Made in the USA.
Precision-machined high chrome valve seats offering exceptional wear and corrosion resistance. Made in the USA.
High chrome valve seats with 18–22% chromium and 1–2% nickel. Machined from solid bar stock and finished to precise tolerances. Alternative to powder metal. Made in the USA.
Lightweight racing replacement with FEA-validated design and progressively wound, shot-peened springs. Made in the USA. Requires KPMI shortened M-8 valve guides or modified stock guides; check '23–'25 CVO valve lift for compatibility.
Complete Big Twin motor set including side covers, mounts and timing plug; made in the U.S.A.
Complete kit including bolts for cam, primary, oil hose and transmission side covers.
Complete set of precision fasteners for cover installation. Made in the U.S.A.
Complete fastener set for securing engine covers. Made in the U.S.A.
Bolt kit for securing switch housings; includes necessary fasteners for repair and restoration.
Complete hardware set for lifter base installation. Made in the U.S.A.