Reliable spark plug with corrosion protection, superior insulator strength, and enhanced heat removal.
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Durable spark plug with trivalent plating, alumina silicate insulator, triple seals, corrugated ribs and copper core for reliable ignition.
Copper Plus™ spark plug: copper-core design for controlled heat range, SAC-9 resistor for EMI/RFI suppression, Ultraseal™ coating for rust prevention. Made in the USA.
Revolutionary vibration reduction and improved ride comfort, made in the U.S.A.
High-density friction plates increase surface area by 11% for longer clutch life; precision-manufactured drive plates; made in the U.S.A.
Durable stainless steel muffler clamps with a 360° reaction block to prevent distortion and corrosion-resistant fasteners for reliable exhaust sealing.
Dyno-tested: 12% more torque and 7% more power. 4-1/2" HP-Plus® slip-on with absorptive baffle and 16-gauge body. Made in the U.S.A.
- High-performance radial piston design with straight flow for fast response
- Anti-block and anti-fading systems for reliable damping
- 50/30-click rebound and compression adjusters
- Progressive spring with threaded preload; adjustable for solo or two-up riding
Adjustable front stabilizer link for HD Touring frames with reverse-thread rod end and ARP stainless bolts; available in black anodized, gold anodized, or machined finish. Made in the USA.
Performance inserts for 4" and 4-1/2" mufflers. Adjustable tone via bolt-held inserts. Easy installation with basic hand tools; change sound in minutes.
Deep, adjustable tone by swapping inserts in minutes.
Control your "Growl Level" with a two-bolt insert.
Easy installation with basic hand tools; no hammers required.
Durable drag-style handlebar with 14-gauge steel tubing. Made in the U.S.A.