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.
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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.
Fits Shovel engines using stock diameter tubing. For stock stroke applications. Made in the U.S.A.
Precision-ground studs with radius-ground thread ends and hydraulically rolled threads for maximum strength and reduced notch sensitivity.
Super-light, heavy-duty fixed-length pushrods; sold as a set of four to replace OE—two intake, two exhaust. Rocker boxes must be removed for installation.
Replaces nonadjustable stock rods on H-D engines for precise valvetrain control.
Increases spring travel by .060" for improved suspension response. Precision-machined and made in the U.S.A.
Fits stock springs to add ~0.060" of travel on 1966–1984 74" and 80" motors; eases installation of B or #2 cams; made in the U.S.A.