HARLEY
Subcategories
Forged, precision-fit piston kit with ArmorGlide® skirt coating and force-fed pin oiling. Value-pack includes two pistons, rings, pins, and circlips.
Durable forged piston kit with low-friction skirt coating; includes two pistons, rings, pins and circlips, made in the USA.
Forged aluminum piston kit with ArmorGlide® skirt coating; includes two pistons, rings, piston pins and circlips.
Forged pistons with generous valve pockets for big valves and cams.
Includes rings, piston pins and circlips for two pistons.
Force-fed pin oiling and a pressure-seal groove enhance sealing and durability.
High-performance piston kit with ArmorFit™ and ArmorX™ coatings for reduced wear, improved sealing and reliable fitment.
Includes rings for one piston only.
Designed specifically for compatibility with Wiseco pistons.
Self-contained PC-programmable ignition module with single- or dual-fire modes, ten advance curves, adjustable over-rev protection and comprehensive data logging.
Self-contained ignition module fits under the cam cover. Single- or dual-fire operation, ten advance curves, PC-programmable. Not for fuel-injected models. Made in the USA.
Converts inconsistent surges into controlled bursts for stronger ignition, reduces current to 0.1 amp to prevent burned points, and delivers a 50% faster spark voltage rise.
Improve midrange throttle response and tune wide-open running. Includes five jets per size for extensive tuning after engine or exhaust changes.
Restores accurate tachometer readings after single-fire ignition conversions.
Includes rings for one piston only. Designed to fit only matching pistons.
Includes rings for one piston only. Fits only matching pistons. Check service manual for installation specs.
Includes rings for a single piston; verify piston compatibility before ordering.