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BPRATV will be closed on December 24th and 25th in observance of the Christmas holiday. We will have very limited operations from December 27th to December 31st for our annual cycle counts. Thank you for your patience and understanding. Additionally, we will be closed on January 1, 2025, for New Year's Day.
BPRATV will be closed on December 24th and 25th in observance of the Christmas holiday. We will have very limited operations from December 27th to December 31st for our annual cycle counts. Thank you for your patience and understanding. Additionally, we will be closed on January 1, 2025, for New Year's Day.

Yamaha YFZ450 / YFZ450R / YFZ450F / YFZ450X

Yamaha 450cc ATV Quad Parts YFZ450 / YFZ450R / YFZ450F / YFZ450X

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Best YFZ450 Ported Head Porting Port Polish Assemble Kibblewhite Valves Complete

BPRATV

THE BEST CYLINDER HEAD PORTING IN THE INDUSTRY GUARANTEED!  Works on all Yamaha YFZ450 carb models Brand new OEM cylinder head Full race port an...

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$2,399.99 - $2,399.99
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$2,999.99
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$2,499.99

Best YFZ450 Ported Head Porting Port Polish Assemble Kibblewhite +1 Valves Kit

Yamaha OEM

THE BEST CYLINDER HEAD PORTING IN THE INDUSTRY GUARANTEED!  Works on all Yamaha YFZ450 carb models Brand new OEM cylinder head Full race port an...

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$395.00 - $395.00
$395.00
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$395.00

Best YFZ450 Top End Rebuild Kit Stock Bore Cylinder Piston Upper Assembly Parts

BPRATV

BPR stock bore 95mm cylinder 95mm Wiseco or Wossner forged piston Nitrite coated piston rings Chrome wristpin Circlips Top end gasket kit MLS hea...

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$395.00
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$395.00
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$263.99
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$144.99

Best YFZ450R YFZ 450R Cylinder Head Studs TITANIUM Stud Kit Cometic Gaskets Set

BPRATV

Compatible Vehicles Submodel Year Make Model -- 2013 Yamaha WR450F -- 2012 Yamaha WR450F Team Yamaha 2012 Yamaha WR450F -- 2011 Yam...

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$263.99
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$144.99
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$1,299.99 - $1,299.99
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09-13 YFZ450R YFZ 450R Rebuild Kit Complete Top Bottom Motor Engine Assembly Kit

BPRATV

FITS ALL '09-13 YAMAHA YFZ450R FUEL INJECTED MODELS ONLY! 95mm aftermarket cylinder JE Wiseco or CP forged piston** Hi temp piston rings Chrome ...

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$1,299.99 - $1,299.99
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Fix YFZ450R YFZ 450R Rekluse Late Model Clutch Failure Issue Complete Retrofit

BPRATV

FITS ALL YAMAHA YFZ450R FUEL INJECTED MODELS - STANDARD REPLACEMENT FOR '09-13 AND FIXES 2014+ FAILURE ISSUES The best clutch kit on the planet, p...

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14+ YFZ450R YFZ 450R Ported Head Porting Port OEM Yamaha Cylinder Cut Guides

BPRATV

FITS '14+ YAMAHA YFZ450R MODELS!  Brand new OEM Yamaha cylinder head Full race port and polish Guides cut It will make a great addition to your s...

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$499.99
$499.99 - $499.99
$499.99
$376.16
$376.16 - $376.16
$376.16

09-13 YFZ450R YFZ 450R Hot Rods OEM Replacement Crankshaft Crank & Main Bearings

Hot Rods

YAMAHA YFZ450R / YFZ450X HOT RODS CRANKSHAFT ASSEMBLY & SKF MAIN BEARINGSFits:Yamaha YFZ 450R 2009-2013Yamaha YFZ 450X 2010-2011Only fits fuel ...

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$499.99
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$499.99
$376.16
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$376.16
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$124.99 - $124.99
$124.99
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$124.99

2014+ YFZ450R YFZ 450R Talon Clutch Cover Gasket Titanium Bolts OEM Replacement

BPRATV

WORKS ON ALL 2014+ YAMAHA YFZ450R MODELS Talon clutch kit - fiber & steel plates, springs Both clutch cover gaskets Hi temp ceramic clutch bal...

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$124.99 - $124.99
$124.99
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$219.99
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$102.99
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$102.99

14+ YFZ450R YFZ 450R Clutch Kit Plates Pack Dune Trail 8 Plate 3 Springs Gasket

BPRATV

FITS 14+ YAMAHA 450R/X MODELS - IF YOU HAVE A 2014+ MODEL WE STRONGLY ADVISE YOU TO MAKE THE SWAP TO THE 09-13 MODEL CLUTCH.  THE BASKET ON THE 14+...

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$219.99
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09-13 YFZ450R YFZ 450R Ported Assembled Head Porting Assembly Kibblewhite Valves

BPRATV

FITS ALL '09-13 YAMAHA YFZ450R MODELS! Brand new full race port and polish Complete head assembly (NO CAMS) Kibblewhite chrome silicone valve spri...

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$94.99
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$94.99

2014+ YFZ450R YFZ 450R Replacement Clutch Kit Fiber Steel Titanium Cover Bolts

BPRATV

WORKS ON ALL 2014+ YAMAHA YFZ450R MODELS Talon clutch kit - fiber & steel plates, springs Both clutch cover gaskets Titanium clutch cover bolt...

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$94.99
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Best YFZ450 98mm +3 Big Bore Kit YFZ 450 Carb 478 cc Cylinder Top Upper Assembly

BPRATV

FITS '03-09 / '12-13 YAMAHA YFZ450 CARB MODELS ONLYBPRATV 98mm big bore nikasil cylinder (1year warranty)*Wiseco, CP, JE, or Wossner forged big bor...

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$1,385.95
$1,385.95 - $1,385.95
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$1,099.99
$1,099.99 - $1,099.99
$1,099.99

09-13 YFZ450R Wiseco Clutch Billet Basket Hub Cover Complete Kit Titanium Bolts

BPRATV

FITS ALL YAMAHA YFZ450R FI MODEL YEARS AND MODELS!  FOR 09-13 IT IS A STOCK REPLACEMENT FOR 14+ IT IS THE RETROFIT UPGRADE Wiseco complete clutch r...

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$1,385.95
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$1,099.99 - $1,099.99
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Fix YFZ450R YFZ 450R 14+ Late Model Clutch Issue Wiseco Complete Retrofit Kit

BPRATV

FITS ALL YAMAHA YFZ450R FI MODEL YEARS AND MODELS!  FOR 09-13 IT IS A STOCK REPLACEMENT FOR 14+ IT IS THE RETROFIT UPGRADE Wiseco complete clutch r...

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$1,999.99 - $1,999.99
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$1,899.99 - $1,899.99
$1,899.99

14+ YFZ450R YFZ 450R Complete Ported Head Porting Assembled Kibblewhite Valves

BPRATV

Compatible Vehicles Submodel Year Make Model -- 2021 Yamaha YFZ450R -- 2020 Yamaha YFZ450R -- 2019 Yamaha YFZ450R -- 2018 Yamaha YFZ4...

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$2,199.99
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$1,999.99

09-13 YFZ450R YFZ 450R 450X Complete Motor Engine Rebuild Cams Valves Oil Pump

BPRATV

FITS ALL YAMAHA '08-13 YFZ450R and YFZ450X MODELS 95mm after market stock bore cylinder Hotrods or Wiseco HD crank with rod Main bearings Transm...

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$2,199.99
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14+ YFZ450R YFZ 450R Ported Assembled Head Porting Assembly Kibblewhite Valves

BPRATV

FITS ALL 2014 AND NEWER YAMAHA YFZ450R MODELS - DOES NOT FIT ANY OTHER VEHICLE  - BRAND NEW OEM Yamaha cylinder head** - Full race port and polish...

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09-13 YFZ450R YFZ 450R Stock Rebuild Kit Top Bottom End Assembly Repair Parts

BPRATV

FITS ALL YAMAHA YFZ450R ATV MODELS AND YEARS! CP JE or Wiseco forged piston** Nitrite coated piston rings Chrome wristpin Circlips Hotrods or Wi...

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$799.99 - $799.99
$799.99
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$799.99
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$799.99
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14+ YFZ450R YFZ 450R Stock Rebuild Kit Top Bottom End Assembly Repair Parts

BPRATV

FITS ALL 2014+ YAMAHA YFZ450R ATV MODELS AND YEARS! CP JE or Wiseco forged piston** Nitrite coated piston rings Chrome wristpin Circlips Hotrods...

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$119.99
$119.99 - $119.99
$119.99

Best YFZ450 YFZ 450 Titanium Head Studs Ti Cylinder Head Stud Bolt Upgrade Kit

BPRATV

YAMAHA YFZ450 CARB MODEL YEARS AND YEARS Grade 5 Ti-6 Titanium alloy head studs, nuts and washers Allen head drive for easier installation and re...

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$1,385.95
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$119.99
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Get Ported YFZ450 Carb Model Cylinder Head Assembly Porting Full Race Port

BPRATV

FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY! WE HAVE THE BEST SPECS AND BEST TECHS - OUR  BRAND NEW OEM Yamaha cylinder head Full race...

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$1,109.99
$1,109.99 - $1,109.99
$1,109.99
$979.99
$979.99 - $979.99
$979.99

14+ YFZ450R YFZ 450R Complete Clutch Swap Retrofit Hinson Basket Older Model Fix

Hinson

FIXES CLUTCH ISSUES ON ALL 14+ YFZ450R MODELS - DO IT NOW DON'T WAIT TILL IT FAILS OR YOU'LL BE SORRY! 2009 OEM basket - needed for the primary g...

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$1,109.99
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$1,109.99
$979.99
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$89.99
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$74.99
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$74.99

14+ YFZ450R YFZ 450R Clutch Pack Talon Aftermarket Replacement Kit Plates Spring

BPRATV

WORKS ON ALL 2014+ YAMAHA YFZ450R MODELSTalon clutch kit - fiber & steel plates, springsOuter clutch cover gasketBrand new parts1 year warranty...

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$89.99
$89.99 - $89.99
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$74.99
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