Kawasaki KFX450R Parts and Accessories
This page is dedicated to KFX450R Parts and Accessories. If you are looking for performance you have come to the right place! We carry pistons, valves, fuel controllers, intake kits, clutches, and so much more. We also specialize in many performance modifications and services. We offer porting, 3 or 5 angle valve jobs, dyno tuning, and even complete motor building services. So if you don’t see it here then give us a call or email us.
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KFX 450 National Motor Package..From..$1,595.00 |  |
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| Description | Price | Photo |
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| KFX450R Pipe Kit | $544.95 |
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| CT Spark Arrestor – 12 Disc End Cap Kit with Bolts | $133.95 |
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| ATV Exhaust Turn Down End Cap – Turn down tip includes 6 stainless steel bolts. | $59.95 |
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| Head Porting – CT Racing has done significant amounts of flow bench and dyno testing to offer you the best port layout for your application. We highly recommend getting a valve job at the same time the head is being ported. Our CNC valve job ties in with the port work to offer extremely effective flow numbers. | $350.00 |  |
| 3 Angle Valve Job – Quality valve job. | $144.00 |  |
| 5 Angle Radius Race Valve Job – The 5 angle radius Race valve job significantly raises the flow characteristics at low valve lift and definitely shows a horsepower increase throughout the useable power curve. | $192.00 |
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| 5 Angle Radius Race Valve Job for +1mm Exhaust Valves – The 5 angle radius Race valve job significantly raises the flow characteristics at low valve lift and definitely shows a horsepower increase throughout the useable power curve. The 5 angle valve job really shines on big valves as the seat diameter is opened up all the way into the aluminum casting, blending to the port work. Adding +1mm valves to a modified engine package helps the mid to top-end horsepower. Most aftermarket hi compression pistons are clearanced for +1mm valves. | $240.00 |  |
| Split 4 Stroke Cases, Inspect Crank & Trans, & Reassemble | $550.00 | |
| Disassemble & Reassemble 4 Stroke Top-end (from bottom-end only) | $300.00 | |
| Disassemble Head, Clean Ports, Prep, & Reassemble | $75.00 | |
| Rebuild 4 Stroke Crankshaft (labor only) | $125.00 | |
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| Dura Blue Foam Air Filter | $44.55 |
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| Pro Design Pro Flow Foam Air Filter Kit | $180.95 |
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| Pro Design Pro Flow Replacement Foam Air Filter | $42.75 |
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| Pro Design Pro Flow K&N Air Filter Kit | $220.95 |
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| Pro Design Pro Flow Replacement K&N Air Filter | $66.45 |
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| Fuel Customs Intake System – System includes a high horsepower intake, Fuel Customs K&N type air filter, and Outerwear. The system comes with a Fuel Customs airbox (added charge) or without. | $244.00 |
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| Fuel Customs Replacement Filter and Cover– Need an extra filter or a replacement? This filter is for fuel custom intakes ONLY! | $65.00 |
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| KFX450 CP Piston Kit 96mm – Available in 13:1, 13.5:1, and 13.8:1 Comp Ratios. | $285.00 |
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| KFX450 CP Piston Kit 98mm – Available in 13:1 Comp Ratio. | $285.00 |
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| KFX450 JE Hi Performance Piston Kit 96mm– Available in 12.8:1, 13.5:1, and 13.8:1 Comp Ratios. Choose from Standard Piston or PRO SERIES Piston. | |
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| KFX450 JE Hi Performance Piston Kit 98mm Big Bore 470cc– Available in 12.8:1 and 13.5:1 Comp Ratios. | |
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| KFX450 JE Hi Performance Piston Kit 99mm Big Bore 480cc– Available in 13:1 Comp Ratio. |
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| KFX450 JE Hi Performance Piston Kit 100mm Big Bore 488cc– Available in 13:1 Comp Ratio. | |
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| KFX450 Wossner Hi Performance Piston Kit 96mm – Available in 12:1 and 13.5:1 Comp Ratio. | |
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| KFX450 Wossner Hi Performance Piston Kit 98mm Big Bore – Available in 12:1 Comp Ratio. | |
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| KFX450 Wossner Hi Performance Piston Kit 100mm Big Bore – Available in 12:1 Comp Ratio. | |
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| KFX450 Vertex Hi Performance Piston Kit 96mm – Available in 12.4:1 and 13.4:1 Comp Ratios. | |
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| KFX450 Cometic Top-end Gasket Set – Available in 96mm and 98mm. EST= Extreme Seal Technology (includes valve stem seals) | $48.81 |
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| KFX450 Winderosa Complete Gasket Set and Seal Kit – This complete engine gasket set also includes all of the engine oIl seals – crank, kickstart, countershaft, and ETC. Winderosa Gaskets are extremely high quality US made gasket sets. | |
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| KFX450 Hot Rods Connecting Rod– Available in stock stroke. | |
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| KFX450 Hot Rods Crank– Available in Stock Stroke or +3mm Stroker. Main bearings not included. | |
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| KFX450 Hot Rods Heavy Duty Complete Bottom End Kit– Available in Stock Stroke or +3mm Stroker. This kit includes main bearings, seals, gaskets, and crank. | |
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| KFX450 Web Cam Intake & Exhaust Camshaft Set – Available in Woods, TT/MX, Desert (mid/top), Drag, and MX builds | |
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| KFX 450 Hot Cam Intake Camshaft – Available in Stage 2 and Stage 3. Cam uses stock auto-decompression mechanism. Intake and exhaust cams sold separately. | |
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| KFX 450 Hot Cam Exhaust Camshaft – Available in Stage 2 and Stage 3. Cam uses stock auto-decompression mechanism. Intake and exhaust cams sold separately. | |
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Del West Titanium ATV Intake Valves– Available in Standard |
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Del West Titanium ATV Exhaust Valves– Available in Standard |
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| KFX 450 Kibble White Stainless Steel Valves – Available in Standard and +1mm Oversized in both Intake or Exhaust Valves. Requires valve spring kit part #EC-KW-40-40550. | |
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| KFX 450 Hi Performance Racing Valve Spring Kit with Retainers – This Kit (EC-KW-40-40550) is Recomended to use with above Kibble White Valves. | |
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| KFX450R CV4 Hi Performance Racing Valve Spring Kit – Intake or Exhaust Available. Must run CV4 Valve Spring Retainers below. | |
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| KFX450 Valve Spring Retainers Kit – Intake and Exhaust Available (4pcs. sets).These retainers work with CV4 Springs. | $159.95 |
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| Hinson Billetproof Clutch Basket | |
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| Hinson Billetproof Inner Hub and Pressure Plate Kit | |
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| Hinson Billetproof Clutch Cover – High Volume | |
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| Hinson Clutch Kit with Fibers, Steels, & Springs | $190.00 |
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| Dynatek ATV Ignition – Better curve profile with more RPMs. |  |
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| Dynatek ATV Coil Kit – High output mini coil with mounting hardware, wiring adapters, and spark plug wire. A must for high compression motors. |  |
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| Dynojet Power Commander V Fuel Injection Controller – Direct plug in performance: easy to install, increased throttle response and acceleration, includes “dyno proven” ATV specific map database, user friendly software, and more. This is the new PC5 with both Fuel and ignition tuning. The ignition can be re-mapped and the RPM range can be extended. You do have to work with Dynojet, on the Rev Extend program (they have you fill out some paperwork). |  |
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| Dynojet Power Commander V Autotune Kit – Automatically monitors and adjusts fuel mixture while you ride. Must use with Power Commander V. |  |
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| Dynatek Fusion EFI Controller – Direct plug in performance: Dynatek has produced a state-of-the-art EFI controller which allows you to tune both fuel and ignition timing. Identical to the PC5 as far features and function. |  |
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| Dynatek Fuel Injection Controller – Direct plug in performance: 3 user selectable base fuel curves, fuel mixture can be enriched or leaned as required, no PC required for tuning or adjusting fuel curves. |  |
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| Fasst 1-1/8″ Flexx Bars – These are the best off road bars money can buy. Bars come with three different elastomers to get the proper cushioning for your type of riding along with a cross bar pad in your color choice of blue, grey, or red. Please Note: 1-1/8″ bar mount kit is required. |
$389.95
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Fly Aero Taper 1-1/8″ Fat Bars with Bar Pad– Bars are available in black, gun metal, or silver. Please Note: 1-1/8″ bar mount kit is required. |
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Fly Universal 1-1/8″ Handlebar Mount Kit – This is a clamp set than converts your stock 7/8″ bar clamp to the 1-1/8″ Fat Bar set up. Can be used with any brand 1-1/8″ bars. |
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| Streamline Reflex Pro Pack with Clutch and Brake Lever – Available in Black, Blue, Red, and Orange. | |
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| Streamline Steering Stabilizer 7-Way Adjustable Non-Rebuildable– Available in Silver, Red, Blue, or Black. | |
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| Streamline Steering Stabilizer 7-Way Adjustable Rebuildable– Available in Silver, Red, Blue, or Black. | |
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| Streamline Steering Stabilizer 11-Way Adjustable Rebuildable– Available in Silver, Red, Blue, or Black. | |
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| Streamline Steering Stabilizer Carbon 11-Way Adjustable Rebuildable– Available in Silver, Red, Blue, or Black. | |
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| Pro Design Tether Kill Switch – Available in Black, Blue, or Red |
$36.95
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| CV4 Billet Tether Kill Switch Mount – Handlebar mount for Pro Design and Pro Armor tether kill switches.This mount allows you to mount your switch to the bar without using up all of the spacing. Allows you to mount the switch much closer to the bend. Available in Black and Red. | $49.95 |
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| Streamline Steel-braided Front Brake Line Kit– (Please specify color & length) Available in black, blue, clear, green, red, or smoke. Some colors and lengths may need to be special ordered. | |
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| Streamline Steel-braided Rear Brake Line – (Please specify color & length) Available in black, blue, clear, green, red, or smoke. Some colors and lengths may need to be special ordered. | |
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| Billet Brake Line Clamp– 1 pair (Please specify color) Can be used with any 3/4″ or 1″ diameter A-arm. Available in black, blue, red, or silver. |
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Lone Star Racing Anti-vibration Steering Stem – Available in +1″ exteneded length and 7/8″ or 1 1/8″ Handlebar clamps included. |
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| Laeger’s Anti-vibration Steering Stem – Available in +1″ or +2″ exteneded length and 1 1/8″ Handlebar clamps included. | $335.00 |
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| KFX450 CT Racing Carbon Fiber Front Nose– Available in Black | $219.00 |
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| Lone Star Racing Axcaliber Axle – Axcalibar Pro Racing Axles are one of the most highly recommended axles on the market for both racers and recreational riders. | |
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| Lone Star Racing Dual Row Bearing Carrier – The billet aluminum bearing housings are machined from 6061 aluminum for superior housing strength. | |
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| Dura Blue Heavy Duty Axle – This axle is a recreational level axle thatis twice the strength of the stock axle. It’s a cost effective choice when reliability is a prime concern. | |
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| Dura Blue Eliminator 2+2 Extended Axle – The Eliminator axle used for all forms of racing and high performance applications. Many of the models come with the patented Posi•Lock system which removes threaded sections from the flexing area of the shaft (a source of crack generation). | |
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| Dura Blue Eliminator X-33 Pin Drive Axle with CAST Hubs – The X-33 axle uses the same superior material and heat treating as the Eliminator. The unique difference is in the design of the wheel hub mounting area. Standard design ATV axles neck down to about 1″ in diameter. A splined wheel hub slides onto the axle shaft and is retained with a hex nut. As all ATVer’s know, hubs loosen frequently. The X-33 changes all that. The wheel hub is clamped solid and driven by a pin on a 1-3/8″ diameter shaft. This axle is rifled to reduce weight near the rotational axis of the ATV. The X-33 allows for 16 different wheel offset alternatives. | |
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| Dura Blue Eliminator X-33 Pin Drive Axle with BILLET Hubs – This X-33 axle uses the same design, superior material and heat treating as the X-33 w/ cast hubs. The unique difference is in the wheel hub and that they are billet aluminum for superior strength. |  |
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