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Engine

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

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

$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...

$179.80 $161.82
Kibblewhite Kit Includes: 2 - Intake Valves 2 - Exhaust Valves 1 - Center Valve (Yamaha YFZ450 Only) Each valve is fully CNC machined to precise...

$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...

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

$275.00 $233.75

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...

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

$460.00 $377.20
  Stoker Cranks Hot Rods is proud  to offer the stroker ATV crankshaft line. They have developed six long-stroke applications for ATVs....

$137.22
Hot Rod Connecting Rods are precision double honed to assure cylindrical accuracy of less than 0.003mm

$430.00 $352.60
Hot Rods Crankshafts: Hot Rods Crankshafts are sold complete with the original proven Hot Rods Connecting Rods, top end bearings, and crankshaft...