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Due to Thanksgiving and the holiday rush, our current handling time is approximately 4–5 business days. We sincerely appreciate your patience and understanding. We truly appreciate your business and are thankful for another great year serving our customers. If you have any questions or concerns, please contact us—our team is working as hard as possible to ship all orders promptly.
Due to Thanksgiving and the holiday rush, our current handling time is approximately 4–5 business days. We sincerely appreciate your patience and understanding. We truly appreciate your business and are thankful for another great year serving our customers. If you have any questions or concerns, please contact us—our team is working as hard as possible to ship all orders promptly.

Yamaha YZ450F / YZ450FX / WR450F

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16-24 Yamaha WR450F WR 450F Kibblewhite Head Intake Exhaust Valve Guides & Seals

Kibblewhite Precision

Upgrade your WR450F with the ultimate valve train performance - this complete set of Kibblewhite intake and exhaust valve guides and seals takes y...

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$104.99
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10-19 Yamaha YZ450F YZ 450F 97mm Stock Bore Cylinder Cometic Top End Gasket Kit

Cometic Gaskets

YAMAHA 2010-2019 YZ450F TOP END GASKET KIT, 97MM BORE, .027" MLS CYLINDER HEAD GASKET Fits Yamaha YZ450F Dirt Bike Models  Years 2010 2011 2012 20...

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16-18 Yamaha WR450F WR 450F 450FX Hotcams Hot Cams Heavy Duty Cam Timing Chain

Hot Cams

Brand New Direct Replacement Heavy Duty Hotcams Cam Timing Chain Fits The Following Yamaha Dirt Bike Models Yamaha YZ450F Years 2010 2011 2012 201...

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YZ450F YZ 450F Stock OEM Size Kibblewhite Intake & Exhaust Valves RED Seals Kit

Kibblewhite Precision

Complete Set Of Kibblewhite Performance OEM Size Stainless Steel Replacement Valves (All 5) & KPMI RED Viton Valve Stem SealsThe Best On The Ma...

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$167.24
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$167.24

WR450F WR 450F Stock OEM Size Kibblewhite Intake & Exhaust Valves RED Seals Kit

Kibblewhite Precision

Complete Set Of Kibblewhite Performance OEM Size Stainless Steel Replacement Valves (All 5) & KPMI RED Viton Valve Stem SealsThe Best On The Ma...

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$214.99
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03-15 Yamaha WR450F WR 450F Stage 2 Two Hotcam Hot Cams Hotcams Cam Timing Chain

Hot Cams

Hotcams Stage 2 Intake & Exhaust Cams (Pair) With BPRATV Talon Heavy Duty Cam Chain Fits Yamaha WR450F Dirt Bike Models Years 2003 2004 2005 2...

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03-15 Yamaha WR450F WR 450F Stage 2 Two Hotcam Hot Cams & HOTCAMS TIMING CHAIN

Hot Cams

Hotcams Stage 2 Intake & Exhaust Cams (Pair) With HOTCAMS Heavy Duty OEM Replacement Timing Chain Fits Yamaha WR450F Dirt Bike Models Years 20...

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03-15 Yamaha WR450F WR 450F Stage 2 Two Hotcam Hot Cams YAMAHA OEM TIMING CHAIN

Hot Cams

Hotcams Stage 2 Intake & Exhaust Cams (Pair) With GENUINE YAMAHA OEM CAM TIMING CHAIN Fits Yamaha WR450F Dirt Bike Models Years 2003 2004 2005...

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07-15 Yamaha WR450F WR 450F KIBBLEWHITE Top End Piston Kit Valves & Cylinder Kit

Kibblewhite Precision

Race-Ready Top End Rebuild Kit for the 2007-2015 Yamaha WR450FTake your WR450F to the next level with this complete top end rebuild kit from the ex...

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$956.59
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06-09 Yamaha YZ450F YZ 450F KIBBLEWHITE Top End Piston Kit Valves & Cylinder Kit

Kibblewhite Precision

Race-Ready Top End Rebuild Kit for the 2006-2009 Yamaha YZ450FTake your YZ450F to the next level with this complete top end rebuild kit from the ex...

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$956.59
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$956.59
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BPRATV Yamaha YZ 450F WR 450F 450F Cam Chain Tensioner Talon Titanium Bolt Kit

BPRATV

BPRATV - The Original Trailblazer for Titanium Hardware in the ATV Industry. YZ450 450F WR450 450F Titanium Tensioner Bolts All Years– Aerospace Gr...

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2016-2018 Yamaha WR450F WR 450F CP Carrillo Pro-A Connecting Rod MADE IN USA

CP-Carrillo

Includes:CP Carrillo Heavy Duty Connecting RodFeatures:Heavy Duty Forged Connecting RodThe Strongest Rod Available, and the Only Connecting Rod you...

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$349.99
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$19.98
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Yamaha YZ 450F WR 450F 450OEM Replacement 95mm Stock Head Gasket 2S2-11181-00-00

BPRATV

2007 - 2015 Yamaha WR450F2006 - 2009 Yamaha YZ450F95mm Stock Bore Aftermarket Head GasketLess Expensive than OEM Head GasketReplaces OEM:2S2-11181-...

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$51.29
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Yamaha YZ 450F Connecting Rod Hotrods 8694 Heavy Duty Rod Only OEM Replacement

BPRATV

WORKS ON ALL YAMAHA YZ 450F AND YZ 450FX MODELS AND YEARS Hotrods HD connecting rod only - No pin or bearings Direct replacement for OEM part num...

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$51.29
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07-13 WR450F Carrillo Rod Heavy Duty Big Bore CP Piston 98mm +3 Rebuild Kit

BPRATV

CP-Carrillo heavy duty connecting rod Rod bearing Crank pin Thrust washers (when applicable) CP-Carrillo 98mm hi comp pump gas forged piston Ni...

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2010+ YZ 450F 450FX TITANIUM Head Studs Best Strongest Ti Stud Bolt Upgrade Kit

BPRATV Talon Titanium

Compatible Vehicles Submodel Year Make Model -- 2022 Yamaha YZ450F Monster Energy Yamaha Racing Edition 2022 Yamaha YZ450F -- 2021 Yam...

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2007+ WR450F WR 450F TITANIUM Head Studs Best Strongest Ti Stud Bolt Upgrade Kit

BPRATV

Compatible Vehicles Submodel Year Make Model -- 2006 Yamaha WR450F -- 2005 Yamaha WR450F -- 2004 Yamaha WR450F -- 2003 Yamaha WR450F ...

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$89.99
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10-19 YZ 450F YZ450 Crank Pin Rod Big End Bearing Crankshaft Con Rod Rebuild Kit

BPRATV

WORKS ON ALL - YAMAHA YZ 450F YEAR MAKE MODELS Aftermarket replacement crank pin and rod bearing Includes thrust washers when applicable only Re...

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$89.99
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Yamaha YZ125 WR450F Blaster YZ250 Wheel Bearing 93306-90403-00 | 93306-90409-00

SKF

One replacement front wheel bearingAftermarket SKF quality bearingAll bearings are as good or better than OEM for less!Replaces Yamaha OEM Part# 93...

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Rebuild YZ450F WR 450F Big Bore Motor Build Service 500cc Assemble YOUR Engine!

BPRATV

Yamaha WR450F 500cc Big Bore Engine Rebuild Service – Complete Motor Build by BPRATV ⚙️ Complete Professional Engine Rebuild – You Send It, We B...

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$549.99
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07-11 WR450F WR 450F 98 mil Big Bore Kit Complete 480cc 98mm Top End Rebuild Kit

BPRATV

FITS ALL 06-09 YZ450F and 07-11 WR450F MODELS ONLY! BP Racing purpose built 98mm cylinder** WIseco JE or CP forged piston** Hi temp piston rings W...

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$549.99
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$161.47
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$161.47

ProX Piston Kit Yamaha YZ450F '10-13 12.5:1 (96.96mm)

Pro-X

ProX Piston Kit Yamaha YZ450F '10-13 12.5:1 (96.96mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are made from the finest...

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ProX Piston Kit Yamaha YZ450F '03-09 / WR450F '03-15 Stock 12.5:1 95mm (94.97mm)

Pro-X

ProX Piston Kit Yamaha YZ450F '03-09/WR450F '03-15 12.5:1 (94.97mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are made f...

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YZ450F WR450F OEM Cylinder Head Kibblewhite Stainless Valves Valve Spring Kit

Kibblewhite Precision

DO YOU NEED THIS ITEM ASSEMBLED?  INSTALLED ON YOUR VEHICLE?  GOT QUESTIONS?  CONTACT OUR TECH SUPPORT NOW FOR HELP!Brand new OEM Yamaha cylinder h...

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$19.88
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10-17 Yamaha YZ450F WR450F YZ WR 450F NGK Laser Iridium Spark Plug Part# CR9EIX

NGK

Brand New In The Box & Ready To ShipThis listing is for one NGK Laser Iridium part # CR9EIX spark plugFits Yamaha YZ450F / WR450F Dirt BikesYea...

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$19.88
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Yamaha YZ450F WR450F YZ WR 450F Wiseco Black Billet Clutch Basket Cover Gasket

Wiseco

Heavy Duty Wiseco Race Billet Clutch Cover & Clutch Cover Gasket Fits Yamaha YZ450F Dirt Bikes Years 2003 2004 2005 2006 2007 2008 2009 Al...

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$165.99
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$165.99
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$449.99
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$319.99
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18-19 Yamaha YZ450F YZ 450F Stock Bore 97mm Cylinder Cometic Top End Gasket Kit

BPRATV

BPRATV Cylinder KitKit Includes:97mm Stock Bore Nikasil CylinderCometic MLS Top-End Gasket KitFits Yamaha YZ450FX 2019 2020BPRATV - The Best Parts....

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$319.99
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19-20 Yamaha YZ450FX YZ 450FX Stock Bore 97mm Cylinder Cometic Top End Gasket

BPRATV

BPRATV Cylinder KitKit Includes:97mm Stock Bore Nikasil CylinderCometic MLS Top-End Gasket KitFits Yamaha YZ450FX 2019 2020BPRATV - The Best Parts....

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$479.99
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$339.99
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19-20 Yamaha YZ450FX Stock Bore 97mm Cylinder Cometic Top End Gasket Viton Seals

BPRATV

BPRATV Cylinder Kit w/ Kibblewhite Red Viton Valve Stem SealsKit Includes:97mm Stock Bore Nikasil CylinderCometic MLS Top-End Gasket KitKibblewhite...

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$479.99
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$479.99
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18-19 Yamaha YZ450F Stock Bore 97mm Cylinder Cometic Top End Gasket Viton Seals

BPRATV

BPRATV Cylinder Kit w/ Kibblewhite Red Viton Valve Stem SealsKit Includes:97mm Stock Bore Nikasil CylinderCometic MLS Top-End Gasket KitKibblewhite...

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$479.99
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$479.99
$339.99
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$699.99
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18-19 YZ450F Cylinder Top End Rebuild Parts Kit 97mm Stock Bore Redo Upgrade

BPRATV

Best quality top-end recipe for the best price! Call for FREE TECH SUPPORT! SE HABLA ESPANOL 97mm stock bore cylinder Wiseco or Wossner forged pist...

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$699.99
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$699.99
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$599.99
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$349.99
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$349.99

2010-2019 Yamaha YZ450F YZ 450F CP Carrillo Pro-A Connecting Rod MADE IN USA

CP-Carrillo

2010-2019 Yamaha YZ450F YZ 450F CP Carrillo Pro-A Connecting Rod MADE IN USAIncludes:CP Carrillo Heavy Duty Connecting RodFeatures:Heavy Duty Forge...

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$349.99 - $349.99
$349.99
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$349.99
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$212.46
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$212.46
$191.21
$191.21 - $191.21
$191.21

ProX Piston Kit Yamaha YZ450F '10-13 12.5:1 (96.97mm)

Pro-X

ProX Piston Kit Yamaha YZ450F '10-13 12.5:1 (96.97mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are made from the finest...

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$212.46
$212.46 - $212.46
$212.46
$191.21
$191.21 - $191.21
$191.21
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$153.40 - $153.40
$153.40
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$153.40

ProX Piston Kit Yamaha YZ450F '10-13 12.5:1 (96.95mm)

Pro-X

ProX Piston Kit Yamaha YZ450F '10-13 12.5:1 (96.95mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are made from the fine...

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$153.40 - $153.40
$153.40
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$153.40
Save 24% Save %
$212.46
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$212.46
$161.47
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$161.47

ProX Piston Kit Yamaha YZ450F '14-17/WR450F '16-18 12.5:1 (96.95mm)

Pro-X

ProX Piston Kit Yamaha YZ450F '14-17/WR450F '16-18 12.5:1 (96.95mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are made f...

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$212.46
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$212.46
$161.47
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$161.47
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$233.71
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$233.71
$177.62
$177.62 - $177.62
$177.62

ProX High Compression Piston Kit Yamaha YZ450F '10-13 13.5:1 (96.96mm)

Pro-X

ProX High Compression Piston Kit Yamaha YZ450F '10-13 13.5:1 (96.96mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are mad...

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$233.71
$233.71 - $233.71
$233.71
$177.62
$177.62 - $177.62
$177.62
Save 24% Save %
$199.82 - $199.82
$199.82
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$199.82

ProX High Compression Piston Kit Yamaha YZ450F '10-13 13.5:1 (96.95mm)

Pro-X

ProX High Compression Piston Kit Yamaha YZ450F '10-13 13.5:1 (96.95mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are m...

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$199.82 - $199.82
$199.82
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$199.82
Save 24% Save %
$212.46
$212.46 - $212.46
$212.46
$161.47
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$161.47

ProX Piston Kit Yamaha YZ450F '14-17/WR450F '16-18 12.5:1 (96.96mm)

Pro-X

ProX Piston Kit Yamaha YZ450F '14-17/WR450F '16-18 12.5:1 (96.96mm)

$212.46
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$212.46
$161.47
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$161.47
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$39.99
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$32.49

Pro Design Billet In Line Super Cooler Yamaha YZ250F YZ450F YZ 250F 450F 426F WR

Pro Design

Brand New Pro Design Billet In-Line Super CoolerUniversal Fitment For All Liquid Cooled Motors Features: An in-line temperature reducer increases t...

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$39.99
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$39.99
$32.49
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$32.49
Save 19% Save %
$649.99 - $649.99
$649.99
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$649.99

06-09 YZ450F Carrillo Rod Heavy Duty Big Bore CP Piston 98mm +3 Rebuild Kit

BPRATV

CP-Carrillo heavy duty connecting rod Rod bearing Crank pin Thrust washers (when applicable) CP-Carrillo 98mm hi comp pump gas forged piston Ni...

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$649.99 - $649.99
$649.99
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$649.99
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$94.96
$99.71
$99.71 - $99.71
$99.71

🔥YZ450F WR450 Hotrods Crank Bearings Hot Rods Crankshaft Main 93306-30633-00 ⚡

BPRATV

One pair of Hot Rods replacement crank bearingsWorks on left or right sideReplaces OEM # 93306-30633-00Compatible with OEM or aftermarket crankHigh...

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$94.96
$99.71
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$99.71
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$1,999.99
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$1,999.99

06-09 YZ450F Ported Assembled Cylinder Head Port Polish Kibblewhite Valve Spring

BPRATV

Works on all Yamaha '06-09 YZ450F and '07-13 WR450F models Used OEM Yamaha cylinder head in excellent condition Cleaned and sand blasted Full race...

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$1,999.99
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$89.99 - $89.99
$89.99
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$89.99

06-09 YZ450F Crank Pin Rod Big End Bearing Bottom End Crankshaft Rebuild Kit

BPRATV

Works on: '10-19 YZ450F and '12-18 WR450f Aftermarket replacement crank pin and rod bearing Includes thrust washers when applicable only Replaces...

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$89.99 - $89.99
$89.99
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$89.99
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$15.19
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$15.19

YZ450F YZ450FX Clutch Cover Oring Outer Round Cvr Replacement Seal O-ring

BPRATV

WORKS ON ALL 2010+ YAMAHA YZ450F & YZ450FX MODELS Replacement o-ring for outer clutch cover Replaces OEM part number 33D-15453-00-00 Mad...

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$15.19 - $15.19
$15.19
$15.19 - $15.19
$15.19
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$791.99
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$791.99
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$59.99 - $59.99
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10-20 YZ450F Black Billet Cam Chain Tensioner Heavy Duty Chain Titanium Bolt Kit

BPRATV

FITS ALL '10-20 YAMAHA YZ450F MODELS Heavy duty cam chain conversion Black billet cam chain tensioner Titanium chain tensioner bolts Chain tension...

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$791.99
$791.99 - $791.99
$791.99
$59.99
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$59.99
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$149.99 - $149.99
$149.99
$149.99 - $149.99
$149.99

YZ450F WR450F Blue Billet Cam Chain Tensioner YZ450F CNC Timing Chain Guides

Yamaha OEM

FITS ALL YAMAHA YFZ450R/X AND MANY YZ450F AND WR450F MODELS (SEE FITMENT CHART) After market timing chain Blue billet cam chain tensioner Chain te...

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$149.99 - $149.99
$149.99
$149.99 - $149.99
$149.99
$599.99 - $599.99
$599.99
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YZ450F YZ WR 450F +1 Kibblewhite Valves Valve Springs Lifters Buckets Head Kit

BPRATV

FITS '03-09 YZ450F and '03-13 WR450F Kibblewhite lightweight chrome silicone springs Titanium retainers Heat treated collars White Diamond +1mm s...

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$599.99 - $599.99
$599.99
$599.99 - $599.99
$599.99
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$802.99
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$802.99
$119.99
$119.99 - $119.99
$119.99

16-18 YZ 450FX TITANIUM Cylinder Head Studs YZ450FX Ti Stud Flange Bolt Kit Set

BPRATV

FITS ALL '16-18 YAMAHA YZ450FX MODELS All Grade 5 Titanium alloy stud, nut, and washer kit Heat treated, allen head studs 12 point flange nuts...

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$802.99
$802.99 - $802.99
$802.99
$119.99
$119.99 - $119.99
$119.99
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