Progressively wound racing valve springs, heat treated and shot peened for long life. Complete set for one engine, made in the USA.
Active filters
Progressive valve springs optimized for racing performance.
Complete set for one engine, engineered to control valve motion at elevated rpm.
Made in the USA.
Includes all required hardware for mounting the new-style floating brake rotors.
Progressive racing valve springs engineered for precise valvetrain control. Complete set for one engine. Made in the USA.
Durable high-chrome valve seats machined to exact tolerances. Made in USA.
Precision-machined valve seats with 18%–22% chromium and 1%–2% nickel for enhanced durability; alternative to powder metal; made in the USA.
Precision machined High Chrome valve seats with chromium-nickel construction for long service life. Made in the USA.
Precision-machined head bolt covers for S&S engines with a snap-on locking feature for secure fit. Made in the USA.
Precision bushings with tapered leads for easy installation. Excellent surface finish; machinable. Made in the USA.
Includes upper and lower tubes, clips, cups, springs and washers. O-rings/corks sold separately. One kit covers a complete engine.