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Jet Kits      
The James Dean custom jetting kit is designed to improve throttle response throughout the range by using specially made multi-taper needles. These are more highly developed and fine-tuned than stock jetting parts. Low and High altitude custom designed triple taper needles. Main Jets included, Spare Needle Clip, and Dyno Tested. Developed and tested from sea level to 12000ft elevation, you can't buy this from any OEM factory or aftermarket. It's JD's prescription for the headpipe blues.

    Availability Guide: If you order an item that is not in stock, we will not charge your card until the order is ready to ship.

      = Normally ships the same business day      = Ships in 1 to 2 business days      = Backordered from supplier
  Jet kit package include main jets, custom multi-taper needles and needle clip.
JDJetting Jet Kits - Gas Gas  Cost  Add To Cart 

Gas Gas 250/300 2011-16 w/Keihin 36mm or 38mm Carburetor
JDJetting Jet Kit
JD-G002
$84.95
 

Gas Gas 200/250/300 2001-10 w/38mm Keihin Carburetor
JDJetting Jet Kit
JD-G001
$79.95
 
JDJetting Jet Kits - Beta  Cost  Add To Cart 

Beta 250/300 RR 2013-17
JDJetting Jet Kit
JD-B005
$84.95
 

Beta Xtrainer
JDJetting Jet Kit
JD-B006
$84.95
 

Beta 350/390/400/430/450/480/500/520 2010-16
JDJetting Jet Kit
JD-B004
$79.95
 

Beta 450/525 RS/RM 2008-10
JDJetting Jet Kit
JD-B003
$79.95
 

Beta 400/450/525 RR 2008-09
JDJetting Jet Kit
JD-B002
$79.95
 

Beta 250 2008
JDJetting Jet Kit
JD-B001
$79.95
 
JDJetting Jet Kits - Sherco Cost  Add To Cart 
Sherco 250/300 SE/SER 2014-16
JDJetting Jet Kit
JD-SH01
$79.95
 
JDJetting Jet Kits - Polaris  Cost  Add To Cart 
Polaris Outlaw Quad 450/525 2007-11
JDJetting Jet Kit
JD-P001
$84.95
 
 Kouba Replacement Fuel Screw Cost  Add To Cart 
Kouba Replacement Fuel Screw
Fits factory installed Keihin carburetors
(Aftermarket FCR carburetors use a different thread pitch)
If you have tried to adjust the air/fuel mixture screw on your FCR carburetor, you know one of these is a must!  These Kouba fuel screws make it easy to adjust your air/fuel mixture screw. The K-FS1 fuel screw fits Bikes/ATVs with factory-installed Keihin FCR carburetors.
K-FS1
$19.99
 

Large Images

JDJetting Jet Kit - Large Images