Progressive racing valve springs engineered for precise valvetrain control. Complete 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.
Durable high-chrome valve seats machined to exact tolerances. Made in USA.
High-quality machined valve locks that secure the valve retainer to the valve stem and prevent valve drop.
Precision bushings with tapered leads for easy installation. Excellent surface finish; machinable. Made in the USA.
Precision-adjustable pushrods that improve valve-train stability and support high-lift cams and strong spring pressures.
- Strength and rigidity second only to heavy-duty one-piece pushrods
- Jam nut slides up the pushrod for quick access
- Base loosens into the pushrod to allow Quick Install access
- Individual length exhaust and intake pushrods for precise fit
- Install without removal of rocker covers
- Made in the USA
- Requires pushrod tube kit sold separately
- Correct adjustment requires fully pumped lifters; 7/16"-20 threads, 0.050" per turn
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.
- One-piece 4130 chrome moly construction with swedged ends.
- Heavy-duty tube, precision concentricity, heat treated with a black oxide finish.
- Works with hydraulic or solid lifters for street or race engines.
- Designed for use with Feuling® stock and SE M8 camshafts.
- Made in the USA; installation requires removal of rocker covers and rocker arms.
- Feuling recommended one-piece design to reduce valvetrain harmonics.
- Fixed-length, swedged ends for consistent geometry.
- Heavy-duty, heat-treated construction.
- Made in the USA; removal of rocker covers and rocker arms required for installation.