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$949.00
RadiusX 4.0 – A high-performance, stall-preventing auto clutch is just a clutch pack swap away. RadiusX combines TorqDrive friction disk technology with...

$1,449.00 $1,280.00
RadiusCX 4.0 is the complete package of auto clutch functionality, improved power delivery, and upgraded durability. RadiusCX kits include Rekluse’s...

$120.00
38M's Breather Box replaces your stock box that leaks and/or doesn't work well, or the ltr or aftermarket breathers that are just in the way. As with...

$399.00
Rekluse TORQ Drive Clutch Pack: A high performance manual clutch is now more accessible than ever with the TorqDrive Clutch Pack. It’s as easy...

$849.00
RadiusX – a high performance auto clutch is just a clutch pack swap away. RadiusX combines a TorqDrive clutch pack with our innovative EXP (auto clutch)...

$1,099.00
The best manual clutch available, period. Core Manual TorqDrive delivers unprecedented performance, tuning and durability. TorqDrive provides more disks in...

$1,249.00 $999.00
When you need the best, look no further. This top of the line auto clutch product brings together all of our latest technology into one package. A TorqDrive...

$917.00 $687.75
Wrench Rabbit Complete Rebuild Kit In A Box Features: Vertex Piston (Standard Compression, Piston, Rings, Pin, and Clips Hot Rods Heavy Duty...

$349.95
*Out Of Stock* Mud Buster camshafts are selected to maximize torque at low RPM and small amounts of throttle opening for low speed riding...

$37.29
Manufactured by the leading O.E.M. factory in Japan Die-cast parts are machined to O.E.M. specifications and tolerance for perfect fit Parts are a...

$255.00
All connecting rods are O.E.M. length Proprietary blend of materials produces the best possible part Made in the U.S.A.

$998.75
Prevents Stalling Innovative EXP disk design incorporates updated wedge weights to prevent your machine from clutch related stalls. ...

$299.00
The Hi-FLo Oversize Radiators ensure modified motors maintain peak horsepower by increasing the efficiency of the cooling system. The Hi-Flo radiators...

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Cylinder - new, not remanufactured, cast aluminum nickel silicon carbide (NSC) electroplated stock bore cylinder that appears just like an OE cylinder. NSC...

$160.99
Hotcams Valve Spring Kit: Fits YFM660 Raptor 01-05 Required with Stage 3 Hotcam

$175.00 $154.00
Barnett Dirt Digger Series K Kevlar Clutch Kits Features: Friction Plates Steel Drive Plates Set of Springs Barnett Dirt Digger K Kevlar...

$175.60 $154.53
Barnett Dirt Digger Carbon Fiber Clutch Kits Features: Extremely durable and heat tolerant Provides a smooth positive engagement and release...

$181.95 $172.85
Boyesen Super Color Water Pump Cover and Impeller Kit: Cast aluminum construction Increased coolant flow in all RPM ranges Patented nautilus...

$200.00 $176.00
Hinson High Performance Clutch Kit Features: Includes fiber and steel clutch plates with springs. Can be use with O.E.M. baskets, inner hubs and...

$1,095.00 $963.60
Hinson Slipper Clutch BTL (Black Torque Limiter) Features: Revolutionary slipper clutches used by factory race teams Precision machined...

$129.95
Hot Cam Installation Kit Includes: degree wheel dial indicator adjustable magnetic stand three positive stops (10mm, 12mm, 14mm...
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$89.95
  7.48mm Valve Shims Includes three 7.48mm OD shims in each size from 1.20mm to 3.50 in .05mm increments 9.48mm Valve Shims...

$0.00
K&S
K&S Engine Oil Seal Highlights: Direct OEM Replacements Cheaper than OEM

$0.00
Winderosa Complete Gasket Sets include all gaskets necessary to rebuild the engine and transmission. The base and head gaskets are designed for OEM bore....

$369.95
  TRX400EX Displacement - 440cc Bore size - 4.00" Compression ratio - 12.5:1 Cylinder sleeving required Kit Includes: Piston,...

$239.00 $179.25
Wiseco offers forged pistons that offer better performance than OEM at a reasonable price. Extensive engineering goes into each Wiseco ATV Piston to provide...


$29.95
In line temperature reducer increases cooling efficiency of any water cooled all terrain vehicle. The Pro Design Super Coolers Reduces cooling temperatures...
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$499.00
Oversized NASCAR styled radiator for your ATV o No other radiator like it on the planet! o Maintains cooler operating temperatures under the...

$329.00 $289.52
Eliminates excessive clutch slipping. Transfer all of your horsepower to the rear tires. Increase the quickness of your ATV....

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CP Piston comes complete with rings, circlips , and wristpin. Made in the USA from the highest quality materials and with world leading technology...

$88.89 $80.00
The Wiseco cam chain is made from the highest quality select steel alloys that are light, yet provide maximum strength.

$119.00 $107.10
    * Magnum/YBN cam chains are made to meet or exceed OEM standards. * ISO 9001 certified.

$528.00 $475.20
Wiseco Valve kit includes exhaust valves, intake valves , and center valves were applicable. The LTR450 and the YFZ450 come in Titanium. The 400ex, kfx400, ltz400 come in stainless steel.

$251.00 $213.35

JE has a history of manufacturing the highest quality pistons and components that a professional engine builders, race teams, and high performance enthusiasts alike trust and rely on.


$0.00
With over 50 years of experience, JE pistons is the leader in high performance forged pistons. JE Pistons have built a reputation that the competition can...

$0.00
Cometic is one of the top names in the industry for quality gaskets. Manufactured to standards that exceed OEM specifications. Cometic offers a range of...

$0.00
These kits offer every gasket you need for a complete rebuild. O.E.M. quality for long life. Silicone lined coating on base gaskets to keep them from...

$599.00 $491.18
New big bore kit product line from the makers of the Pivotworks™, Hotcams™, and Hot Rods™. Cylinder Works offers high quality cylinders...

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The new Cylinder Works O.E.M. replacement cylinder is a standard cylinder from the makers of the Pivotworks™, Hotcams™, and Hot Rods™....

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New big bore cylinders from the makers of the Pivotworks™, Hotcams™, and Hot Rods™. Cylinder Works offers high quality cylinders that...

$265.95 $218.08
Replacement pistons for your Cylinder Works Big Bore Cylinder Kits.

$169.95 $149.56
The Hinson Racing clutch cover is made from T6 aluminum and the choice of many Factory Teams. This unit improves heat dissipation and is significantly...

$179.95 $158.36
The Hinson Racing pressure plate allows the clutch assembly to spin more true, creating less heat when disengaged. Made from T-6 alloy and Alkalized for 5...

$289.00 $254.32
Hinson Billet Clutch Baskets are machined from T-6 aluminum to aerospace tolerances and Alkalized for 5 times the wear resistance over stock. Allows more oil flow over the plates for better heat dissipation, improved performance, and longer clutch life.

$299.95 $263.96
The Hinson Racing Inner Clutch Hub is designed to help eliminate clutch chatter, spin more true, and create less heat in the clutch. All of these add up to a...

$259.95
400ex Big Bore Kit (All Years) Kit includeds all parts needed to turn your 400 into a fire breathing 440cc monster! Kit inlcudes a Magnum 440cc Piston...

$999.00 $849.15
Kits include aluminum cylinder with a galvanic coating designed with larger water jackets for better cooling and a Forged piston with molybdenum coating for the best in performance. Each kit also contains a special gasket and easy to fallow step by step instructions. No machining is required.