Quality 12-point, heat-treated stainless steel fastener kit with precision-rolled threads and a wide underhead flange for reliable sealing and superior strength.
Active filters
High-performance valve spring retainers engineered for M8 engines. Made in the USA.
- Precision-machined for consistent performance.
- Made in the USA.
- Compatible with M8 models.
Precision-ground, nitrided rocker shafts offering over double the strength of factory units; ideal for Twin Cam engines and higher-lift setups.
One-piece, fixed-length pushrod set recommended to reduce valvetrain harmonics and hydraulic lifter issues.
Precision adjustable pushrods that maintain maximum valve lift, improve valve-train stability, and handle high-lift cams and heavy spring pressures. Double jam nut lock; fits hydraulic or solid lifters; made in the USA.
Revolutionary 0.115" total travel lifters that increase RPM and reduce valve float.
- Reduced oil aeration for stable performance on high-lift cams.
- Precision bearings and high-flow check valve for fast reaction.
- Spin-Tron tested and track proven; pump up before installation.
Replacement quick install pushrod nut; 7/16-20 threads, 0.050" adjustment per turn. Made in the USA.
Full-travel hydraulic lifters with .200" of travel engineered for high-lift camshafts. Improve valvetrain stability and reduce valve float. Made in the USA.
Full-travel hydraulic lifters with .200" of travel, engineered for high-lift camshafts and increased spring pressures. Maintain critical oil flow and reduce valve float; recommended for strip and performance street engines.
Performance hydraulic roller lifters, CNC-machined to extend top-end life. Requires removal of rocker covers and rocker arm supports for installation with one-piece pushrods.
Recommended 0.002"–0.003" lifter-to-pin clearance; restores balance and reduces engine noise. Made in the USA.
- Precision-machined billet construction with square sealing surfaces.
- Longer exit nipples with dual O-rings for improved sealing.
- Optimized inlet sizing and placement for efficient engine breathing.
- Five internal drain ports for controlled drainage and splash resistance.