Honda TRX450R Parts and Accessories
This page is dedicated to TRX450R Parts and Accessories. If you are looking for performance you have come to the right place! We carry pistons, valves, carburetors, intake kits, clutches, OEM parts, 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 dont see it here then give us a call or email us.
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’04-’05 TRX450 Baja Motor Package………$1459.95 |  |
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’04-’05 TRX450 Short Course Motor Package………$1649.95 | |
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’06-’15 TRX450 Baja Motor Package………$1499.95 | |
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’06-’15 TRX450 High Output Motor Package………$1749.95 | |
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| Description | Price | Photo |
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| TRX450R Exhaust Pipe Kit | $559.95 |
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| CT Spark Arrestor – 12 Disc End Cap Kit with Bolts | $179.95 |
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| ATV Exhaust Turn Down End Cap – Turn down tip includes 6 stainless steel bolts. | $64.95 |
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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 Exhaust Valves – This price is for Oversize exhaust cut normally bringing the head up to CRF 450 spec utilizing a 31mm exhaust valve and then doing a 5 angle radius for the intake side leaving it at 36mm. 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. | $216.00 |  |
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5 Angle Radius Race Valve Job for +1 or +2mm 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 +1 or +2mm valves to a modified engine package helps the mid to top-end horsepower. Most aftermarket hi compression pistons are clearanced for the bigger 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 | $47.34 – $50.13 |
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| Pro Design Pro Flow Foam Air Filter Kit | |
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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 | |
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| Pro Design Pro Flow Replacement K&N Air Filter | $66.45 |
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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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| ’04-’05 TRX450R Fuel Customs Intake System – System includes a high horsepower intake, Fuel Customs K&N type air filter, and Outerwear. The system allows the stock air box to be used or eliminated. | |
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| ’06-’14 TRX450R Fuel Customs Intake System – System includes a high horsepower intake, Fuel Customs K&N type air filter, and Outerwear. The system allows the stock air box to be used or eliminated. | |
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| TRX450R 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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| ’04-’05 TRX450R Cylinder Works Standard Bore Kit 94mm – Available with Vertex 10.5:1, and 13:1, or with JE 13.8:1Kit includes: New Cylinder Works 94mm Standard Bore cylinder, Forged Piston Kit, and Cometic top-end gasket set. | |
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| ’04-’05 TRX450R Cylinder Works 479cc Big Bore Kit 97mm – Available with Vertex 10.5:1 or with JE 13.5:1Kit includes: New Cylinder Works 97mm Big Bore cylinder, Forged Piston Kit, and Cometic top-end gasket set. | |
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| ’06-’14 TRX450R Cylinder Works 479cc Big Bore Kit 99mm – Available with Vertex 12:1 or with JE 12:1 and 13.:1Kit includes: New Cylinder Works 99mm Big Bore cylinder, Forged Piston Kit, and Cometic top-end gasket set. | |
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| ’04-’05 TRX450R CP Piston Kit 94mm – Available in 11:1, 12:1, 13:1, and 13.5:1 Comp Ratios. 11:1 piston is the best option for running pump gas. | $295.00 |
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| ’04-’05 TRX450R CP Piston Kit 95mm – Available in 11:1 and 13:1 Comp Ratios. 11:1 piston is the best option for running pump gas. | $295.00 |
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| ’04-’05 TRX450R CP Piston Kit 97mm – Available in 13:1, Comp Ratio. | $295.00 |
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| ’06-’14 TRX450R CP Piston Kit 96mm – Available in 11:1, 12:1, 13:1, and 13.5:1 Comp Ratios. 11:1 piston is the best option for running pump gas. | $295.00 |
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| ’06-’14 TRX450R CP Piston Kit 98mm – Available in 12.5:1 Comp Ratio. | $295.00 |
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| ’06-’14 TRX450R CP Piston Kit 100mm – Available in 13:1 Comp Ratios. 11:1 piston is the best option for running pump gas. | $295.00 |
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| ’04-’05 TRX450R JE Piston Kit 94mm – Available in 11.5:1, 12:1, 13:1, and 13.8:1 Comp Ratios. Also available in Standard or Pro Series. 11.5:1 piston is the best option for running pump gas. | |
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| ’04-’05 TRX450R JE Piston Kit 96mm Big Bore 469cc – Available in 13:1 Comp Ratio. Cylinder bore and replate required. | |
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| ’04-’05 TRX450R JE Piston Kit 97mm Big Bore 479cc – Available in 13.5:1 Comp Ratio. This is Custom Piston made for CT Racing by JE Pistons, it includes double wrist pin oilers and an interior brace for strength. This Piston fits and works well in the Cylinder Works 97mm big bore cylinder kit. Aftermarket cylinder required. | |
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| ’06-’14 TRX450R/ER JE Piston Kit 96mm – Available in 12.8:1 and 13.5:1 Comp Ratios. Also available in Standard or Pro Series. | |
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| ’06-’14 TRX450R JE Piston Kit 98mm Big Bore 468cc – Available in 13:1 Comp Ratio. Cylinder bore and replate required. | |
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’06-’14 TRX450R JE Piston Kit 99mm Big Bore 477cc – Available in 12.5:1 and 13.5:1 Comp Ratios. Available Pro Series ONLY. Cylinder bore and replate required. |
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| ’04-’05 TRX450R Wossner Piston Kit 94mm – Available in 10.5:1, 11.5:1, and 13.1:1 Comp Ratios. 11.5:1 piston is the best option for running pump gas. | |
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| ’06-’14 TRX450R Wossner Piston Kit 96mm – Available in 12:1 and 13.5:1 Comp Ratios. | |
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| ’06-’14 TRX450R Wossner Piston Kit 98mm Big Bore – Available in 12:1 Comp Ratio. Cylinder bore and replate required. | |
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| ’06-’14 TRX450R Wossner Piston Kit 100mm Big Bore – Available in 12:1 Comp Ratio. Aftermarket cylinder required. | |
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| ’04-’05 TRX450R Vertex Piston Kit 94mm – Available in 10.5:1, 11.5:1, and 13.1:1 Comp Ratio. | |
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| ’04-’05 TRX450R Vertex Piston Kit 97mm Big Bore 471cc – Available in 10.5:1 Comp Ratio. Aftermarket cylinder sleeve required. | |
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| ’06-’14 TRX450R Vertex Kit 96mm – Available in 12:1 and 13.5:1 Comp Ratios. | |
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| ’06-’14 TRX450R Vertex Piston Kit 99mm Big Bore 477cc – Available in 12:1 Comp Ratio. Aftermarket cylinder sleeve required. | |
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| Cylinder Works Standard Bore Cylinder – Available in 94mm bore for the ’04-’05 TRX450R and 96mm ’06-’15 TRX450R. Does not include piston or gasket kit. | |
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| Cometic Top-end Gasket Set – Available in 94mm, 96mm, 97mm, 99mm, and 101mm Big Bore. Available in Standard or EST. Standard does not include valve stem seals. EST = Extreme Seal Technology (includes valve stem seals) | |
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| TRX450R 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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| Crank Works Pro Rod Connecting Rods – Available in stock stroke. | $245.00 |
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| ’04-’05 TRX450R Hot Rods Connecting Rod – Available in stock stroke. | |
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| ’06-’14 TRX450R Hot Rods Connecting Rod – Available in stock stroke. | |
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| ’04-’05 TRX450R Hot Rods Crank – Available in Stock Stroke or +3mm Stroker. Main bearings not included. | |
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| ’06-’14 TRX450R Hot Rods Crank – Available in Stock Stroke or +3mm Stroker. Main bearings not included. | |
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| ’04-’05 TRX450R Hot Rods Complete Bottom End Kit – Available in Stock Stroke or +3mm Stroker. This kit includes main bearings, seals, gaskets, and crank. | |
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| ’06-’14 TRX450R Hot Rods Complete Bottom End Kit – Available in Stock Stroke or +3mm Stroker. This kit includes main bearings, seals, gaskets, and crank. | |
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| ’04-’14 TRX450R / ’06-’07 450ER Web Camshaft – Available in Hi-Rev or TT / Drag builds | |
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| ’08-’14 TRX450ER Web Camshaft – Available in Hi-Rev | |
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| ’04-’09 TRX450R/’06-’07 TRX450ER Hot Cam Camshaft – Available in Stage 1, Stage 2 , and Stage 3 | |
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| ’08-’14 TRX450ER Hot Cam Camshaft – Available in Stage 1, Stage 2 , and Stage 3 | |
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| ’04-’05 TRX450R Kibble White Stainless Steel Valves – Available in Standard, +1mm, or +2mm Oversized in both Intake or Exhaust Valves. Requires valve spring kit part #EC-KW-30-30720. | |
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| ’06-’14 TRX450R Kibble White Stainless Steel Valves – Available in Standard, +1mm, or +2mm Oversized in both Intake or Exhaust Valves. Requires valve spring kit part #EC-KW-30-30720. | |
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| Del West Titanium Intake Valves – Available in Standard, +1mm or +2mm Oversized. | |
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| Del West Titanium Exhaust Valves – Available in Standard, +1mm or +2mm Oversized. | |
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| ’04-’05 TRX450R Kibble White Racing Valve Spring Kit – This Kit (EC-KW-30-30920) is Recommended to use with above Kibble White Valves. | |
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| ’06-’14 TRX450R Kibble White Racing Valve Spring Kit – This Kit (EC-KW-30-30920) is Recommended to use with above Kibble White Valves. | |
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TRX450R CV4 Racing Valve Spring Kit – Intake or Exhaust Available |
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| TRX450 CV4 Stainless Valve Spring Retainers Kit – Intake or Exhaust Available (2pcs.). | $79.95 |
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| ’06-’14 TRX450R CV4 Valve Spring Seat Kit – Intake or Exhaust Available (2pcs.). | $24.95 |
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| Hinson Billetproof Clutch Basket | |
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| Hinson Billetproof Pressure Plate | |
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| Hinson Billetproof Inner Hub | |
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| Hinson Billetproof Clutch Cover – Standard Volume | |
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| Hinson Billetproof Clutch Cover – High Volume | |
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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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| ’04-’05 TRX450R Keihin FCR Carburetor Kits – Available in 39mm and 41mm. Kit includes thumb throttle cable. | $930.10 |
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| ’06-’14 TRX450R Keihin FCR Carburetor Kits – Available in 39mm and 41mm. Kit includes thumb throttle cable. | $898.14 |
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| R&D Flex Jet – The R and D flex jet replaces conventional fuel screw with a very accessible fuel screw that is on a cable. This screw can be run out as far as needed with no chance of it backing out, or falling out. | $32.95 |
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| ’06-’14 TRX450R R&D Power Bowl – Improves throttle response, by pushing more fuel through the accelerator pump, it also pushes fuel for a longer duration, as compared with the stock system. We find the R&D to be the best pump on the market. The R&D Power Bowl includes the R&D Power Pump.Features include: adjustable leak jet, anti-cavitation chamber, and stiffer detent spring. | $250.00 |
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| Fasst Flexx Bars 1-1/8″ – 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. | $359.95 |
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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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| Teixeria Tech Frame Gusset Kit – Strengthen and reinforce your chassis with this gusset kit. | $128.00 |
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Laeger’s Anti-vibration Steering Stem – Available in +1″ or +2″ extended length and 1 1/8″ Handlebar clamps included. |
$415.00 |
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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 that is 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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