TRX450
Athena 480cc Big Bore Kit
- Includes aluminum cylinder, piston kit, and special gasket set designed for larger water jackets
- Bolts on with no machining required
- 97mm big bore piston for '04-'05 models
- 100mm big bore piston for '06-'08 models
- Aluminum cylinder designed with wider water jackets for better cooling.
- Forged hi-compression piston
- Includes all necessary Rings, Clips, and Gaskets.
Valve Shim Kit
9.48mm
Includes three valve shims of each size from 1.20 to 3.50 in .05 increments. 141 shims in total. 57 cents per shim!
Hotcams Performance Camshaft
- Stage 1: More bottom-end and mid-range power
- Stage 2: More mid-range and top-end horsepower
- Stage 3: For big bore and stroker motors
Hi-Flo Oil Filters
Pack of 10 / TRX450R '04-'08
TUV approved high quality paper oil filters. Manufactured to OEM specifications.
NGK Iridium Spark Plugs
Pack of 4
Edelbrock Performer Carburetor
- Improve your ATV's horsepower
- Flat slide with single fuel circuit allows for easy external adjustment; no jets to replace
- Features internal fuel cell and anti-slosh plate in fuel bowl for consistent fuel delivery to the engine
- Easy installation! Mounts directly to the stock manifold
Sunline Calibrated Fuel Mixture Screw
Replaces the stock screw. Easy adjustment, without a screwdriver, of fuel mixture while the bike is running. For Keihin FCR carburetors.
ATV Power Kit
- Includes jet kit, K&N air filter, pre-filter, K&N service kit, and instructions
- 10%-15% power increase
- Improved throttle response
No-Toil Air Filters
Pack of 2Powernow
Bolts onto the carburetor intake.
Highly recommended for trail-riding use. Improves power delivery at smaller throttle openings, smoothing out throttle response for a more controllable ride.
FCR Carburetor "Dial it in" Combo
Buy both and save! Includes the Boyesen QuickShot 3 and Sunline Mixture Screw
Merge Racing FCR-MX accelerator pump spring
Boyesen QuickShot 3 Accelerator Pump Cover
Designed for Keihin FCR 38, 39, 40, 41 and 42mm
- Eliminates hesitation and bogging
- Provides instant response to throttle movements
- Reduces hot engine stalling
- Improves low end performance
- Bolt-on product that requires no modification
K&N Air Filter
- Increased air flow over the stock air filter
- Designed to increase horsepower and throttle response
- Designed to fit inside the factory air box
- Larger surface area over foam filters which offers longer service intervals in dusty conditions
- Four layers of premium cotton gauze provides outstanding filtration
- Washable & re-usable, never wears out
- One filter will last the lifetime of your bike
Outerwear Pre-Filter
Filters out lots of dust so it doesn't get trapped in your air-filter. Allows for longer service intervals. Does not affect the airflow of your air filter.
Hinson Slipper Clutch
TRX450R '04-'08 / TRX450ER '06-'08
Slipper clutches are designed to reduce the effect of engine braking. They are an essential addition to any race bike and offers better clutch and braking control.
- Provides more controllable downshifting and braking
- Reduces rear wheel lockup and patter caused by excessive engine braking
- Offers better protection against engine and gearbox damage caused by the engine going past redline on a downshift
- Reduced wear and tear on the gearbox
Hinson Slipper Clutches are easy to install and adjust. Highly recommended for non-race applications and beginner to intermediate racers.
DP Clutch Kit
Replace your worn clutch plates and springs to reduce fade and slip.
- Complete set of friction plates, steel plates, and springs
- Heavy-duty springs help prevent clutch slip
- Restores proper stack height, fixes clutch slip caused by wear and tear
FMF Powercore 4 Muffler
TRX450R '04-'08
- Boosts all around performance
- Aluminum exhaust with a stainless steel mid-pipe
- USFS approved spark arrestor
- Big weight savings over stock
FMF Powerbomb Header Pipe
- Horsepower increase as much as 10%
- Stainless steel construction for strength and light weight
- The expansion chamber improves flow of the exhaust and acts as a pre-muffler to lower sound output
Vapor Tachometer / Speedometer
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