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Engine

$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...

$229.95 $206.95
All Kibblewhite spring kits are the no-nonsense answer to hassle-free performance. Each kit use the highest quality materials machined to precise...

$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...

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


$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...

$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...

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

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

$429.95
Magnum TRX440EX Big Bore Kit  TRX440EX Steel Bore Cylinder kit Namura 440cc Big Bore Piston Kit Namura 440cc Gasket Kit....

$155.30 $136.66
Anti-swell, alloy impregnated heavy duty cork based facings for smooth clutch take up. This allows modulation, unlike paper clutches which tend to snatch....

$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...