Active filters
Nitrided treatment for superior wear resistance and reduced friction. Stellite-tipped face and corrosion-resistant construction provide excellent flow and durability. Compatible with leaded and unleaded fuels. Made in the USA.
Complete bolt‑in camchest kit with 487 Reaper® camshaft, lifters, one‑piece pushrods, high‑flow oil pump and billet camplate for improved mid‑to‑top end performance.
High-quality breather gasket for reliable sealing. Made in the USA and manufactured from premium fuel-resistant materials for long-term service.
Low‑friction PTFE valve guide seals with fillers for stability and a twin‑spring design for continuous tension.
Progressively wound springs designed for reliable valvetrain control and long fatigue life. Complete kit for one engine, made in the USA.
Dual chrome-silicon valve springs; accepts stock and aftermarket spring collars; made in the USA.
Dual stock replacement valve springs that accept standard collars; made in the USA.
- Premium Beehive® springs for high-lift, steep-ramped cams.
- Allows up to 0.750" lift; dyno proven and track tested.
- Kit includes lightweight titanium retainers, chromoly seats, shims, locks and Viton® seals; made in USA.
High Load Beehive® valve spring kit engineered for extreme fatigue life and high-lift camshafts; allows up to 0.750" lift.
High-temperature resistant seals with a spring-loaded wiper for low-friction oil control. Made in the USA.
Restores stock spring pressures and works with stock cam profiles for reliable valve control.
OEM replacement valve spring kit that matches factory pressures and works with stock cam profiles. Made in the USA.
Complete EST top-end gasket kit with embossed stainless steel gaskets and proprietary rubber covering. Includes all seals and O-rings for a full top-end rebuild. Made in the USA.
Heat-treated steel lower collars, precision machined and counter-bored for improved retainer-to-seal clearance. Made in the USA.
Nitrided, Stellite‑tipped one-piece design for reduced wear and improved flow; compatible with leaded and unleaded fuels.
Nitrided one-piece stainless-steel valve with stellite tip for superior wear resistance, reduced friction, and excellent corrosion protection.
Precision-machined nickel bronze valve guide offering excellent wear resistance and heat conductivity. Compatible with unleaded fuel; special seals sold separately.
Complete kit of O-rings and washers for Twin Cool cooling systems. Replace whenever the cylinder head is removed. Made in the U.S.A.