Engine

Active filters
Increases pressure relief valve pop-off psi. Spring alone provides the correct spring rate to control pop-off pressure and oil flow in the bypass port. Made in the United States.
Broad midrange power band camshaft with a smooth lobe design. Made in the USA. Performance pushrods, lifters and clutch recommended.
Power band for modified engines; bolt-in for stock 96", 103" and 110" engines. Smooth cam-lobe design. Made in the USA.
Complete kit with roller bearings, ARP® bolts, gaskets and hardware to install bolt-in and high-lift camshafts.
Complete camchest overhaul kit that lowers engine and oil temperatures, increases oil pressure and improves smoothness and reliability. Includes high-volume oil pump, Reaper® camshafts, hydraulic roller lifters, Timken® bearings and ARP® fasteners. Fits '07-'17 Twin Cam and '06 Dyna.
Durable radiator guard with mounting bracket for easy installation. Protects against rocks and road debris. Made in the USA.
Complete camshaft installation kit with precision bearings, ARP® fasteners, gaskets and assembly compounds for dependable installation.
Precision CNC-machined top plates that update engine appearance. Includes gaskets and mounting hardware. Direct OEM replacement.
Precision CNC-machined top engine covers. Direct OEM replacement; includes gaskets and hardware. Sold as a pair.