TRX400EX
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TRX400EX Motor Packages |
| The TRX440EX Midrange Package will give 2 strokes fits on the trails and dunes. It’s as reliable as a rock and will run all day on pump gas. We can lean on the compression a bit harder if you don’t mind running 100 octane gas. CT customers are pleased with the way the power is increased from bottom to top, with no need to wait on the power. This kit flat hauls. It’s peak output on CT’s Dynojet dyno is 41 horsepower at the rear wheels. That’s a 30% gain over the stock engine which has 27 horsepower at the rear wheels. The over rev is also much better with 20 horsepower more at 9000 rpm. We’re confident that there’s no better bang for the buck on the market today. CLICK HERE for Dyno Results |
| TRX400EX 440cc Midrange Motor Package……$1335.00 Kit includes: CT 440 big bore kit with a JE hi performance piston kit, cylinder re-sleeving, sleeve, Web cam, head inspection, cleaning, Race valve job, head re-assembly, CT head porting, and top-end gasket set. |
| TRX400EX 440cc Midrange Complete Package……$1899.00 Kit includes: CT pipe and jet kit with titanium needle, CT 440 big bore kit with a JE hi performance piston kit, cylinder re-sleeving, sleeve, Web cam, head inspection, cleaning, Race valve job, head re-assembly, CT head porting, and top-end gasket set. |
| TRX400EX 440cc High Output Complete Package……$2999.00 This is the kit you’ve been dreaming about. This kit puts out mid 40s horsepower and has a very wide power delivery. With this kit you are not trading any bottom-end power for top-end power, it has more power throughout the entire range. It is set up at 12/1 compression, so you would need to run a minimum of 100 octane gas.Kit includes: CT pipe, CT 440 big bore kit with a JE hi performance piston kit, cylinder re-sleeving, sleeve, Web HO cam, Keihin 41mm FCR carb, short valve guides, Race valve job, hardfaced rockers, valve springs with titanium retainers, head re-assembly, CT head porting, and top-end gasket set. |
| PLEASE NOTE: Your head is returned assembled and ready to bolt on and run. This kit price is for you shipping us your top-end only. If you would like to ship us your complete motor, add $250.00 for R&R of top-end. |
| CLICK Here for Shipping Instructions for Your Motor |
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TRX400EX Pipe Kit – The CT Racing Sonic TRX 400EX exhaust system includes a stainless header, muffler with 12 discs, and jet kit including our titanium needle. CLICK HERE to see how we did in the Dirt Wheels Magazine TRX400EX pipe shootout. |
$569.95 |
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| Exhaust Turn Down End Cap – Turn down tip includes 6 stainless steel bolts. | $64.95 |
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| CT Spark Arrestor – 12 Disc End Cap Kit with Bolts |
$139.95
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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 |  |
| 5 Angle Radius Race Valve Job for +1mm Intake & 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 NOT clearanced for +1mm valves, on the 400ex. | $240.00 |
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| Bore Cylinder | $75.00 | |
| Split 4 Stroke Cases, Inspect Crank & Trans, & Reassemble | $575.00 | |
| Sleeve 4 Stroke Cylinder (labor only) | $150.00 | |
| 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) | $110.00 | |
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Dura Blue Foam Air Filter – Fits stock airbox. |
$47.34 |
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K&N Air Filter – Fits stock airbox. |
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| Outerwear Pre-Filter – Fits K&N Air Filter HA-4099. | $16.95 |
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| K&N Filter ATV Powerlid – Replaces stock airbox lid with K&N Filter element. With increased airflow, produce more HP w/ added protection of another filter. Comes complete with filter cover and jetting. | |
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| TRX400EX CP Piston Kit 85mm – Available in 11:1 Comp Ratio. Cylinder bore and hone required. | $275.00 |
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| TRX400EX CP Piston Kit 87mm – Available in 12.5:1 Comp Ratio. Cylinder bore and hone required. | $275.00 |
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| TRX400EX CP Piston Kit 89mm – Available in 11.5:1 Comp Ratio. Cylinder bore and hone required. | $275.00 |
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| TRX400EX JE Piston Kit 85mm – PLEASE NOTE STANDARD BORE HAS BEEN DISCONTINUED BY JE PISTON | ||
| TRX400EX JE Piston Kit 86mm Big Bore 406cc – Available in 12.:1 Comp Ratio. Cylinder bore and hone required. | |
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| TRX400EX JE Piston Kit 87mm Big Bore 415cc – Available in 10.8:1 or 12:1 Comp Ratios. Cylinder bore and hone required. | |
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| TRX400EX JE Piston Kit 88mm Big Bore 426cc – Available in 11:1 and 13:1 Comp Ratios. Cylinder bore and hone required. | |
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| TRX400EX JE Piston Kit 88.5mm Big Bore 430cc – Available in 10.8:1 Comp Ratio. Cylinder bore and hone required. | |
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| TRX400EX JE Piston Kit 89mm Big Bore 435cc – Available 10.8:1 and 12:1 Comp Ratios. Cylinder bore and hone required. | |
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| TRX400EX Wossner Piston Kit 85-85.5mm – Available 11:1 and 12.5:1 Comp Ratios. | |
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| TRX400EX Wossner Piston Kit 86-86.5mm Big Bore 406cc – Available 11:1 and 12.5:1 Comp Ratios. | |
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| TRX400EX Wossner Piston Kit 87-87.5mm Big Bore 415cc – Available 11:1 and 12.5:1 Comp Ratios. | |
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| TRX400EX Vertex Piston Kit 85-86mm – Available 9.3:1 Comp Ratio. | |
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| TRX400EX Vertex Piston Kit 87-89mm Big Bore 416cc-435cc – Available 9.3:1 Comp Ratio. | |
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| TRX400EX Cometic Top-end Gasket Set – Available in 86mm and 89mm | |
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| TRX400EX 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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| TRX400EX Hot Rods Connecting Rod – Available in stock stroke. | |
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TRX400EX Hot Rods Heavy Duty Crank – Available in Stock Stroke or +4mm Stroker (*Stroker Crank requires special piston). Main bearings not included. |
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| TRX400EX Hot Rods Heavy Duty Complete Bottom End Kit – Available in Stock Stroke or +4mm Stroker (*Stroker Crank requires special piston). This kit includes main bearings, seals, gaskets, and crank. | |
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| TRX400EX Web Camshaft – Available in MX, TT/Drag, and Dune build. | |
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| TRX400EX Hot Cam Camshaft – Available in Stage 1, Stage 2, and Stage 3 | |
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| TRX400EX Kibble White Stainless Steel Valves – Available in Standard, +1mm Oversized in both Intake or Exhaust Valves. JE pistons do not clear +1 valves valves, the pockets must be opened up. | |
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| TRX400EX Kibble White Valve Spring Kit – Requires hard faced rocker arm kit below part #LB-HR-H00 | |
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| TRX400EX Hard Faced Rocker Arm Kit – $50.00 core charge or send us your rockers. | $329.95 |
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| Hinson Billetproof Clutch Basket | |
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| Hinson Clutch Kit – Includes Fibers, Steels, & Springs | |
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| Dynatek Programmable ATV Ignition – Direct plug in performance: 4 programmable timing curves, programmable rev limiter, external curve selector switch, plug-in module replacement, and more. |  |
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| Keihin FCR Carburetor Kits – Available in 39mm and 41mm. Kit includes thumb throttle cable. | $895.95 |
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| CT Racing Jet Kit w/ Titanium Needle | $49.95 |
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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 Tapr 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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| Teixeria Tech Frame Gusset Kit – Strengthen and reinforce your chassis with this gusset kit. | $82.00 |
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Laeger’s Anti-vibration Steering Stem – Available in +1″ or +2″ extended length and 1 1/8″ Handlebar clamps included. |
$335.00 |
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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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