Internal Parts

Active filters
Complete two-piston kit with precision-fit rings and enhanced pin oiling for dependable sealing and long life.
Forged, precision-fit piston kit with ArmorGlide® skirt coating and force-fed pin oiling. Value-pack includes two pistons, rings, pins, and circlips.
Forged aluminum piston kit with ArmorGlide® skirt coating; includes two pistons, rings, piston pins and circlips for a complete install.
Forged aluminum piston kit with ArmorGlide® skirt coating; includes two pistons, rings, piston pins and circlips.
Pushrods for Shovel engines; use stock diameter tubing to avoid cover tube interference. For stock stroke applications. Made in the U.S.A.
Forged performance replacement for stock hydraulic roller lifters. 100% tested and made in the U.S.A.
Compact crankcase vent filter for reliable ventilation and easy installation.
Includes rings for one piston only. Fits only matching pistons. Check service manual for installation specs.
Set includes rings for one piston; fits matching pistons only.
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.