Mechanics choice for American-made high performance aftermarket Harley-Davidson motorcycle parts.
QUALITY PERFORMANCE FOR OVER 50 YEARS!
Login or Register for an account
Ring Gear
Starter Ring Gears for all Primo Belt DrivesHigh quality replacement starter ring gear kits for fitment on Primo Belt Drive baskets. They are available with 66-tooth, 102-tooth and 106-tooth configurations (Ring gear bolts are included).
There’s also an 84-tooth kit sold with mating 10-tooth pinion Gear for 1990-93 & 1994-up models running a Brute lll™ or Brute lll Extreme™

Bolt, Jackshaft 10-32 – FITS 1994-2006 BIG TWINS EXCEPT 2006 DYNA MODELS.
$12.99
Bolt, Ring Gear – 1/4-28 x 1/2″ w/.305″ Head (Req.6)
$0.89
Bolt, Starter Jackshaft 1/4-20 x 3.25″ Course Thread – 1989-“93 Application, Use w/ B4X, Brute IV or Brute V
$9.99
Bolt, Starter Jackshaft 10-32 x 3.25″ Fine Thread – 1994-2006 (Except 2006 Dyna Models) Applications Use w/All Rivera Primo Open(Electric Start) Belt Drivs
$14.99
Jackshaft Assy, 9T – All Primo Open Belt Drives – DO NOT USE on OEM HD Primary
$179.99
Jackshaft Assy, Chaindrive w/10T Pinion for 84T Ring Gear. FITS BIG TWIN 1994 & LATER.
$149.99
Jackshaft Assy, Chaindrive w/9T For 66T Ring Gear – 1994-Later Big Twin
$149.99
Jackshaft Coupler, Starter – B4X, Brute IV or V
$39.99
Jackshaft Extension, Starter – B4X, Brute IV or V
$99.99
Jackshaft Extension, Starter Extension – 1986-’88 FXST Only
$99.99
Jackshaft Spring, Starter – B4X, Brute IV or V
$4.99
Jackshaft, Chaindrive w/o Pinion Gear – Big Twin 1989-’93
$99.99