Progressively wound racing valve springs. Complete set for one engine. Designed for specific cam and valvetrain requirements.
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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.
Custom aluminum cover with ball-milled finish. Sold individually.
Polished chrome billet inspection cover in ball-end milled or smooth style; includes chrome hardware. Sold each.
Billet-style inspection cover with included mounting hardware. Sold individually.
Protects the oil pump and cam plate from debris. Ideal when doing cam bearing work. Does not restrict oil flow; lowers oil temperature 5–10°F. Easy to install and clean. For use with OEM oil pumps only.
Precision-ground studs with radius-ground thread ends and hydraulically rolled threads for maximum strength and reduced notch sensitivity.
Heavy-duty, super-high-tensile alloy construction; reinforced in crack-prone areas; replaces two-bolt and four-bolt top case OEM mounts; fits over studs and starter shaft; made in the U.S.A.