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.
Precision bushings with tapered leads for easy installation. Excellent surface finish; machinable. Made in the USA.
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.