Active filters
Precision-machined shouldered valve guide compatible with no-lead fuel; accepts special seals (sold separately). Made in the U.S.A.
Computer-designed alloy-steel cams, heat-treated and made in the USA. Four-gear set required. Installer must check clearances.
Precision-ground cams for Big Twin that increase mid-range and top-end power. Works with solid or hydraulic lifters; check clearances before installation.
Precision-machined shouldered valve guide. Compatible with no-lead fuel; accepts any valve-stem material and special seals (sold separately). Made in the U.S.A.
Increases mid-range and top-end power for street and drag bikes while keeping idle stable to 6,000 rpm. Works with solid or hydraulic lifters. Made in the USA. Check coil bind and clearances before installation.