Active filters
Replacement component for Big Twin models; precision-machined to restore lubrication performance and reduce noise.
High-strength pinion shaft nut designed for secure gear-side installation and long service life.
One-piece stellite-tipped stainless-steel valve with a nitrided surface to reduce wear and friction. Lightweight profiles for improved flow. Compatible with leaded and unleaded fuels. Made in the USA.
High-lift valve springs providing correct spring force for performance cams in 74" and 80" motors. Max lift; requires proper valvetrain setup. Made in the United States.
Precision-machined valve guide compatible with no-lead fuel and multiple valve-stem materials. Made in the USA.
Precision-machined valve guides compatible with no-lead fuel. Made in the USA.
OEM replacement dowels for HD® Evolution engines that ensure precise cylinder alignment and reliable fitment.
High-quality neck post bearing for reliable steering and long-lasting performance.
Genuine James kit with matching head and base gaskets and O-rings where applicable. Made in the USA.