Engine & Drivetrain
Pistons, gaskets, clutches, chains & sprockets — the stuff that wears.
In stock
Exhaust Valve Steel Honda
ProX · #19-9400
$38.70$40.95
In stock
Exhaust Valve Steel Honda
ProX · #19-9402
$38.70$40.95
In stock
Gasket Cam Change W/Metal Core Kit 25225-70-KX
James Gaskets · #681-4401
$39.14$41.95
In stock
−19%Case Saver (UHMW Black)
ModQuad · #28-41361
$39.41$40.95
In stock
−19%Water Pump Repair Kit AC
SP1 · #125-90904
$40.88$50.49
In stock
Wheel Bearing & Seal Kit
All Balls · #22-51299
$41.47$51.20
In stock
Gasket Set Cyl Head/Base Kit 16770-84-A
James Gaskets · #681-4391
$42.11$44.95
In stock
−19%Clutch Master Cyl Repair Kit OEM 43244-01
Cycle Pro · #865-01434
$42.42$44.95
In stock
Full Gasket Set Yamaha
SP1 · #123-18005
$42.46$52.39
In stock
−34%EA/Motor Mount WJ/WR50
Monkey Grip · #27-7310
$42.51$44.95
In stock
−34%Rear Sprocket Aluminum 49T BLK
Fire Power · #258-020949
$43.04$64.95
In stock
−34%Rear Sprocket Aluminum 49T BLK
Fire Power · #258-099049
$43.04$64.95
In stock
−19%Rear Sprocket Aluminum 45T BLK
Fire Power · #258-121445
$43.04$64.95
In stock
−19%Heavy Duty Chain 520x90
Fire Power · #692-5090
$43.69$53.95
In stock
Top End Gaskets
Vertex · #681-0643
$43.94$54.25
In stock
Exhaust Valve White Diamond SS
KPMI · #191-11036
$44.54$47.95
In stock
−10%Rear Axle Blocks Red Beta
RFX · #739-0030
$44.99
In stock
−10%Clutch Lever Sil CRF450RX Works Connection
Works · #66-16861
$45.08$49.95
In stock
−19%Engine Plugs Red
Works · #66-24508
$45.08$49.95
In stock
−19%Redline Clutch Kit CK4453
EBC · #15-4453
$45.59$56.28
In stock
−19%Piston Polaris
SP1 · #54-708PS
$46.40$57.29
In stock
−19%Water Pump Rebuild Kit
Vertex · #680-1212
$46.64$57.58
In stock
−19%Crankshaft Bearing/Seal Kit
All Balls · #22-41117
$46.67$57.62
In stock
Complete Gasket Set with Oil Seals
Vertex · #681-1660
$46.67$57.62