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YFZ 450R/X

Yamaha YFZ 450R YFZ450R 14:1 CUSTOM CP Piston Kit Yamaha YFZ 450R YFZ450R 14:1 CUSTOM CP Piston Kit
Hot
CUSTOM forged piston with extra oiling holesPrecision forged from 6061T aluminum Includes CP hi temp rings, chrome wristpin, and clipsComes with MAXLOCK heavy duty head studs with ARP nuts and washersCometic top end gasket set Hi comp piston for race gas/nitrous/alcohol only Fits any 95mm cyli..
$249.99
YFZ450R KIBBLEWHITE 1mm COMPLETE HEAD REBUILD KIT HAS EVERYTHING!  Included are: Kibblewhite Race Valve Spring Kit Kibblewhite 1mm Stainless Steel Intake and Exhaust Valves Kibblewhite Viton Valve Stem Seals Kibblewhite Bronze Valve Guides OEM Valve Keepers/Cotters Everything is bra..
$489.99
Yamaha YFZ 450R Kibblewhite Valves Complete Cylinder Head Rebuild Kit
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YFZ450R KIBBLEWHITE COMPLETE HEAD REBUILD KIT!  Everything - valves, valve springs, guides, keepers/cotters, seal - DO IT RIGHT!  This kit includes: Kibblewhite Race Valve Spring Kit Kibblewhite Stainless Steel Intake and Exhaust Valves Kibblewhite Viton Valve Stem Seals Kibblewhite Bronze..
$489.99
If you are rebuilding your head these viton valve stem seals from Kibblewhite are the best you can buy.  They fit all years and models. Email [email protected] or call us at 909-782-8012 with any questions.  Se habla español...
$24.99
Yamaha YFZ 450R Race Ported and Polished Cylinder Head Yamaha YFZ 450R Race Ported and Polished Cylinder Head
Hot -13 %
ADD POWER WITH A PORTED CYLINDER HEAD FOR YOUR YAMAHA YFZ450R!  Full race port and polish with flow tested, race proven specs by technicians with over 20 year of experience porting all types of heads and cylinders. Send us your bare, torn down head.  For an additional cost we can tear the head do..
$259.99 $299.99
The BEST YFZ450R 98mm top end gasket kit available for your 478cc top end! Cometic part number C3279 All top end kits contain at least head, base, chain tensioner, and exhaust gaskets MLS (multi-layer steel) head gasket does not require sealant Ensures a critical seal and superior durabili..
$39.99
Yamaha YFZ450R YFZ 450R Webcams 81-231 #943/187 Web Cams
-22 %
THE BEST CAMS AVAILABLE for your Yamaha YFZ 450R are these Webcam #943/187 grind camshafts.  These NEW Web cams are great for stock or built motor, adding nice mid range to top end power.  Heavy duty valve springs are required (we sell those too). DON"T SEE WHAT YOU NEED?  WE HAVE MANY OPTIONS, S..
$599.99 $769.00
YFZ 450R High Flow Air Filter for Trinity Power Flow Kit
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Upgrade the filter for your YFZ450R/X with a performance Trinity or Pro Design intake to this super flow aid filter.  This filter upgrade comes with 14 protective layers of material as opposed to our competitor's 12, keeping your motor safer without robbing you of power, and it even costs less $!  I..
$39.99
YFZ450R Stroker Crank Big Bore Complete Rebuild Kit 520cc
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YFZ450R 520cc STROKER MOTOR COMPLETE KIT!  Included are:98mm cylinder 5mm stroker crankCP JE or Wiseco forged pistonPiston rings, pin, clipsHeavy duty crank bearingsMAXLOCK heavy duty head stud kitStage 3 HotcamsKibblewhite race valve spring kitKibblewhite stainless steel intake and exhaust valvesCo..
$1,999.99
YFZ450R YFZ 450R 98mm Hotcams Hotrods Big Bore Kit Motor Rebuild YFZ450R YFZ 450R 98mm Hotcams Hotrods Big Bore Kit Motor Rebuild
New
Check this HANDS DOWN MOST COMPLETE YFZ450R big bore motor kit.  The MOST COMPLETE YFZ450R/X motor rebuild kit available is this kit.  It includes: 98mm cylinder 12.5:1 CP piston kit (13.5:1 and 14:1 also available) Hotrods heavy duty crankshaft Hotcams Stage 3 camshaft set Kibblewhite v..
$1,599.99
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