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Thunderslide with Jet Kit - 8109

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Thunderslide with Jet Kit - 8109

MSRP: $179.99

Price: $134.88 25% off!
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Dynojet Thunderslide with Jet Kit - 8109
  • Get unparalleled performance horsepower gains with this revolutionary kit
  • Kit features a unique set of lift holes that moderate how the slide moves in relation to the throttle
  • Gives big power gains and increases mileage
  • Kit includes jets, needles, clips and any additional parts required to make full use of the performance potential of your bikes CV carb
  • Designed to work well with OE or aftermarket airbox and exhaust system
  • Made in the U.S.A.

Included Items:
(6) Main Jets
(1) Thunder slide
(1) Diaphragm retainer upper
(1) Diaphragm retainer lower
(1) Fuel needle
(1) E-Clip
(1) Needle spacer
(1) Thunder nozzle
(1) Check ball
(1) Check ball weight
(1) Slide spring
(1) Emulsion tube
(1) Diaphragm instructions
(1) Plug drill
(1) Screw

The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.

Part #: H171201
Mfg #: 8109
Type Jet
Type Main Jet
Units Kit
Weight 0.68 lbs
Alternate/OEM Part Number(s):
Resources & Manuals
Fitment for Dynojet Thunderslide with Jet Kit - 8109

Part H171201 fits the following machines

  • Sportster - XLH 1200 1989-2003
  • Sportster Custom - XL 1200C 1996-2003

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Would you recommend this product?
Great kit, follow the included instructions!
I have put these on a couple 1200 Sportsters with typical Screamin Eagle slip-ons and K&N filter and they provide an obvious power increase. If you can follow the manufacturer instructions and tune a carb they work great. One thing to note is the kits don't come with 45 pilot jet or new diaphragm so make sure you have the 45 jet and a decent shape diaphragm. Its also beneficial to have a new carb gasket set.
April 21, 2017
over 3 years ago