- Raises valve spring retainer to gain 0.050" installed height without machining the cylinder head spring set
- Made in the USA
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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.
Complete bolt kit for point cover; includes all necessary fasteners. Made in the U.S.A.
- Adjustable pushrods engineered for maximum valve lift and increased rigidity
- Minimal adjustment design with individual intake/exhaust lengths
- Double jam nut locking and fine-thread adjustment for secure setup
- Compatible with hydraulic or solid lifters; Race Series® for extreme spring pressures
- Made in the U.S.A.; requires removal of rocker covers and supports for installation
Complete motor kit for Big Twin engines. Includes side covers and motor mounts. Made in the U.S.A.
Complete bolt kit for the primary cover; includes all hardware for quick installation.
One-piece 3/8" 4130 chrome moly fixed-length pushrods with hardened ball ends. Maintains maximum valve lift and increases valve-train stability. Designed for larger-lift cams and high spring pressures. Requires removal of rocker covers and rocker arm supports. Made in the U.S.A.