Magnum

$599.00
All new assembly Crankshafts sold complete with connecting rods, main bearings and inner crankshaft webs. Factory assembled and trued within .001 and ready for installation.O.E.M. Quality at an aftermarket price! (Blaster Kit Does Not Have Crank Bearings)

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

$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...

$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...

$149.00 $131.12
Magnum Clutch kits are race proven to meet the needs of today's off road racers.

$139.95 $131.55
Intimidator Filter Kits replace your faulty and restrictive stock air filter and adaptor to give you the performance you want. Includes a billet aluminum...

$139.95 $131.55
Forged clutch assembly with Teflon sleeve and forged standard clutch lever. Forged CNC machined perch with rotatory clamp with Teflon sleeves for that...
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$119.00 $107.10
    * Magnum/YBN cam chains are made to meet or exceed OEM standards. * ISO 9001 certified.

$99.95 $89.95
Unlike cheaply designed, Stamped stock style rotors, Magnum rotors are made from a super tough, high carbon content stainless steel and made to fit...

$94.00 $84.60
A premium, long-life, high-strength,'O'-Ring chain. This chain works great for all Large Bore 4-stroke dirt bikes and ATV's. ISO 9002 certified and made to...

$89.95 $80.95
Made with a heat treaded carbon steel for longer wear life and reduced galling. Radical new profiles and weight reduction holes make these the best...

$89.95 $80.95
Made with a heat treaded carbon steel for longer wear life and reduced galling. Radical new profiles and weight reduction holes make these the best...