Engine

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.
Includes mounting screws. Easy bolt-on installation. Made in the USA.
- Protects internal timing components
- Includes mounting screws for installation
- Available in plated or anodized finishes
- Made in the USA
- Includes mounting screws
- Chrome-plated or anodized billet aluminum finish
- Made in the USA
Precision-milled timing cover. Includes mounting screws. Chrome-plated or anodized billet aluminum finish. Made in the USA.
Precision-milled ignition cover; direct replacement for Harley-Davidson® models from 2017 with Millwaukee-Eight (M8) engines (107, 114 & 117).
Designed for twin plug heads. Accepts .650"/10mm x 1.0 compression release valves. Sold each.
Four-piece triple tree bolt set: two for the upper clamp and two for the lower clamp. Direct replacements for original zinc-plated bolts; uncoated to prevent flaking during tightening.