Engine & Drivetrain
Pistons, gaskets, clutches, chains & sprockets — the stuff that wears.
−12%
In stock
−12%Crankshaft and Rods Kit
Hot Rods · #421-HR0248
$1257.63$1433.20
✓ Free shipping
In stock
Complete Engine Rebuild Kit Polaris
Vertex · #WR00054
$1838.11$2094.70
✓ Free shipping
In stock
Seal Valve Stem in / EX 5/PK
KPMI · #191-34005
$16.32$17.95
In stock
−19%Intake/Exhaust Valve Guide (Bronze)
KPMI · #191-53002
$16.61$17.83
In stock
Countershaft Seal Kit
All Balls · #22-54018
$19.80$24.45
In stock
Intake Valve I Steel Yamaha
ProX · #19-9443
$21.69$22.95
In stock
−19%Oil Pump Rebuild Kit
Feuling · #811-07061
$22.75$23.95
In stock
Countershaft Seal Kit
All Balls · #22-54015
$26.19$32.33
In stock
Replacement O-Rings
ModQuad · #28-41877
$27.80$28.95
In stock
−12%Intake Valve Yamaha
KPMI · #191-14027
$28.88$30.95
In stock
Countershaft Seal Kit
Hot Rods · #421-5034
$31.55$35.95
In stock
Engine Timing Plug Set Black Suzuki
RFX · #739-0401
$32.99
In stock
Engine Plug Blue
Zeta · #634-8129
$33.06$34.99
In stock
−12%Black Diamond Intake Valve
KPMI · #191-18003
$34.95$37.95
In stock
Water Pump Kit KTM 250EXC SX XC 300EXC MXC XC
Hot Rods · #421-W0049
$35.06$39.95
In stock
Black Diamond Intake Valve
KPMI · #191-14007
$35.09$37.95
In stock
Black Diamond Exhaust Valve
KPMI · #191-14008
$35.09$37.95
In stock
EA/Motor Mount 440/550
Monkey Grip · #27-7301
$35.49$37.50
In stock
Clutch Arm Extension
ModQuad · #28-43601
$36.44$37.95
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
−12%Case Saver (UHMW Black)
ModQuad · #28-41361
$39.41$40.95
In stock
−12%Water Pump Kit Kawasaki KX250 '92-04
Hot Rods · #421-W0034
$39.45$44.95
In stock
Valve Set Polaris
Shindy · #68-18418
$39.45$44.95