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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

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$219.99
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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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$989.99
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$119.99

YFZ450R YFZ 450R Big Bore Complete Gasket Gaskets Seal Seals Kit 98mm Cylinder

BPRATV

FITS ALL YAMAHA YFZ450R///X FI MODELS AND YEARS - DOES NOT FIT CARB MODEL Complete gasket and seal kit 98mm MLS head gasket Valve stem seals Compl...

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$989.99
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$329.95
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$279.99
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$279.99

YFZ 450 Crank Transmission Bearings Balancer Shift Cam Complete Bearing Kit

BPRATV

FITS ALL YAMAHA YFZ450 CARB MODELS AND YEARS Complete roller and needle bearing for entire bottom end of crankcases THE MOST COMPLETE KIT ONLINE...

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$329.95
$329.95 - $329.95
$329.95
$279.99
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$802.99
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$119.99
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$119.99

The Best YFZ450 YFZ 450 TITANIUM Head Studs Grade 5 Ti-6 Alloy Stud Bolt Kit Set

BPRATV

Maxlock Titanium alloy head stud kit Made from Grade 5 Ti-6 Titanium alloy - Stronger than pure Ti As strong as chromoly Half the weight ...

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$802.99
$802.99 - $802.99
$802.99
$119.99
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$199.99
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$119.99

YFZ450R YFZ 450R Head Studs Aftermarket Stronger Head Stud Bolt Kit Head Gaskets

BPRATV

FITS ALL YAMAHA YFZ450R AND YFZ450X MODELS! 35crmo heat treated head studs Rolled threads Black oxide rust proof coating 12 point base nutsWashers...

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$199.99
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$199.99
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$119.99
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$54.14 - $54.14
$54.14
$54.14 - $54.14
$54.14

YFZ450R YFZ 450R Black Billet Cam Chain Tensioner Heavy Duty Chain Titanium Bolt

BPRATV

FITS ALL YFZ450R FI MODELS AS WELL AS '10-20 YZ450F MODELS Heavy duty cam chain conversion Black billet cam chain tensioner Titanium chain tension...

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$54.14 - $54.14
$54.14
$54.14 - $54.14
$54.14
$180.49 - $180.49
$180.49
$180.49 - $180.49
$180.49

YFZ450R YFZ 450R 98mm 98 mil Wiseco Piston +3 Big Bore CUSTOM Forged Gasket Kit

BPRATV

FITS ALL YAMAHA YFZ450R FI MODELS AND YEARS 98mm 12.75:1 CUSTOM Wiseco forged piston Hi temp piston rings Chrome wristipn Circlips Includes 84mm ...

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$180.49 - $180.49
$180.49
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$180.49
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$1,499.99
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$1,499.99
$1,249.99
$1,249.99 - $1,249.99
$1,249.99

YFZ450R YFZ 450R 450X 5mm Stroker Crank +5 mil Crankshaft Crankworks True Welded

BPRATV

FITS ALL YAMAHA YFZ450R/X MODELS AND YEARS FI MODEL ONLY!+5mm brand new crankshaftHD crank bearingsBuilt by Crankworks in Tempe, ArizonaHotrods con...

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$1,499.99
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$1,249.99
$1,249.99 - $1,249.99
$1,249.99
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Save 89% Save %
$1,385.95
$1,385.95 - $1,385.95
$1,385.95
$149.99
$149.99 - $149.99
$149.99

YFZ450R YFZ 450R Shorty Lever Clutch Throttle Terrycable Steel Braided Cables

BPRATV

FITS ALL YAMAHA YFZ450R MODELS AND YEARS Black billet shorty clutch lever Black billet shorty brake lever Terrycable steel braided clutch cable Te...

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$1,385.95
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$1,385.95
$149.99
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$149.99
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Rebuild YFZ450 YFZ 450 Motor Rebuilding Service Stock Build To Your Engine Bike

BPRATV

YOU SEND US YOUR ENGINE AND WE WILL DO THE REST!  BEWARE OF "COMPANIES" THAT JUST TEAR YOUR ENGINE DOWN, CLEAN THE PARTS, AND PUT IT BACK TOGETHER!...

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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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Save 25% Save %
$119.99
$119.99 - $119.99
$119.99
$89.99
$89.99 - $89.99
$89.99

YFZ450R YFZ 450R Titanium Head Studs Heavy Cylinder Bolt Kit Cometic MLS Gasket

BPRATV

FITS ALL YFZ450R/X MODELS - ALL 06-09 YZ450F MODELS Ti-6 Titanium alloy head studs, nuts, and washers Rolled threads machining process, heat-treate...

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$119.99
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$119.99
$89.99
$89.99 - $89.99
$89.99
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$1,292.49
$1,292.49 - $1,292.49
$1,292.49
$119.99
$119.99 - $119.99
$119.99

YFZ 450R 450X TITANIUM Head Studs Best Grade 5 Ti-6 Ti Alloy Cylinder Stud Kit

BPRATV

THE BEST HEAD STUDS ON THE PLANET FOR YOUR 450! PRICES AND LISTINGS ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE. Office hours are ...

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$1,292.49
$1,292.49 - $1,292.49
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$119.99
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$119.99
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$94.99 - $94.99
$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 - $94.99
$94.99
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$94.99
$89.99 - $89.99
$89.99
$89.99 - $89.99
$89.99

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 - $89.99
$89.99
$89.99 - $89.99
$89.99
Save 5% Save %
$604.99
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$574.99
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$574.99

YFZ450R YFZ 450R 98 mil Big Bore Kit 478 480 Cylinder +3 Top End Rebuild Complet

BPRATV

FITS ALL YAMAHA YFZ450R FI MODELS AND YEARS NEW 98mm cylinder Wiseco CP or JE forged piston Hi temp piston rings Chrome wristpin Circlips Head st...

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$604.99
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$604.99
$574.99
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$574.99
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$499.99
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$449.99
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$449.99

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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$499.99
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$499.99
$449.99
$449.99 - $449.99
$449.99
Save 10% Save %
Save 63% Save %
$269.49
$269.49 - $269.49
$269.49
$99.99
$99.99 - $99.99
$99.99

YFZ 450 Clutch Cable Black Shorty Lever Terrycable Steel Braided Adjustable Kit

BPRATV

WORKS ON ALL YFZ 450 CARB MODELS AND YEARSTerrycable steel braided clutch cable Black billet "Shorty" clutch lever Item is brand new 1 year warrant...

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$269.49
$269.49 - $269.49
$269.49
$99.99
$99.99 - $99.99
$99.99
Save 63% Save %
$90.24 - $90.24
$90.24
$90.24 - $90.24
$90.24

YFZ 450 Clutch Cable Black Shorty Lever Terrycable Steel Braided Adjustable Kit

BPRATV

<!–– XIF_BEGIN_COMPATS --> Compatible Vehicles Submodel Year Make Model -- 2013 Yamaha YFZ450 -- 2012 Yamaha YFZ450 -- 2011 ...

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$90.24 - $90.24
$90.24
$90.24 - $90.24
$90.24
$175.00 - $175.00
$175.00
$175.00 - $175.00
$175.00

YFZ450R YFZ 450R 450X Kibblewhite Stainless Steel Valves Seals Stock Head Gasket

BPRATV

FITS ALL YAMAHA YFZ450R and 450X FI MODELS AND YEARS Kibblewhite stainless steel intake valves Kibblewhite stainless steel exhaust valves...

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$175.00 - $175.00
$175.00
$175.00 - $175.00
$175.00
$81.69 - $81.69
$81.69
$81.69 - $81.69
$81.69

YFZ450R YFZ 450R Cylinder Head Studs After Market Heavy Duty Stronger Stud Kit

BPRATV

FITS ALL YAMAHA YFZ450R FI MODELS AND YEARS! ALSO FITS 06-09 YZ450F DIRT BIKE! Chromoly case hardened head studs x 4 12 point base nuts x 4 Washe...

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$81.69 - $81.69
$81.69
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$81.69
Save 20% Save %
$149.99
$149.99 - $149.99
$149.99
$119.99
$119.99 - $119.99
$119.99

YFZ450R YFZ 450R Cylinder Head Stud Bolts Titanium Head Stud Bolt Upgrade Kit

BPRATV

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

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$149.99
$149.99 - $149.99
$149.99
$119.99
$119.99 - $119.99
$119.99
Save 20% Save %
Save 21% Save %
$1,385.95
$1,385.95 - $1,385.95
$1,385.95
$1,099.99
$1,099.99 - $1,099.99
$1,099.99

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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$1,385.95
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$1,385.95
$1,099.99
$1,099.99 - $1,099.99
$1,099.99
Save 21% Save %
Save 57% Save %
$1,385.95
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$1,385.95
$599.99
$599.99 - $599.99
$599.99

YFZ450R YFZ 450R Cams Billet Camshafts Aftermarket Pro-X Valves Valve Springs

BPRATV

FITS ALL YAMAHA YFZ450R FUEL INJECTED MODELS AND YEARS - DOES NOT FIT CARB MODEL Aftermarket Stage 1 Camshafts Steel valves conversion Valve spring...

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$1,385.95
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$1,385.95
$599.99
$599.99 - $599.99
$599.99
Save 57% Save %
Save 43% Save %
$43.99
$43.99 - $43.99
$43.99
$24.99
$24.99 - $24.99
$24.99

YFZ 450 450R Crank Balancer Bearing 93311-62574-00 SKF Aftermarket Countershaft

BPRATV

WORKS ON ALL YAMAHA RAPTOR 660 YFZ450 AND YFZ450R MODELS AND YEARSCrankshaft counter balancer needle bearing SKF high quality replacement Better th...

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$43.99
$43.99 - $43.99
$43.99
$24.99
$24.99 - $24.99
$24.99
Save 43% Save %
Save 5% Save %
$1,999.99
$1,999.99 - $1,999.99
$1,999.99
$1,899.99
$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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$1,999.99
$1,999.99 - $1,999.99
$1,999.99
$1,899.99
$1,899.99 - $1,899.99
$1,899.99
Save 5% Save %
$135.84 - $135.84
$135.84
$135.84 - $135.84
$135.84

YFZ450R YFZ 450R ATV TITANIUM Head Studs Cometic Gasket Kit Ti Stud Kit Gaskets

BPRATV

FITS ALL YAMAHA YFZ 450R FI MODELS ONLY - THESE ARE GUARANTEED TO BE THE BEST STUDS YOU CAN GET! Titanium alloy head stud kit The strongest he...

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$135.84 - $135.84
$135.84
$135.84 - $135.84
$135.84
$599.99 - $599.99
$599.99
$599.99 - $599.99
$599.99

YFZ450R YFZ 450R 478 Big Bore 14:1 Hi Comp Race Gas 98 mil Cylinder Top End Kit

BPRATV

FITS ALL YAMAHA YFZ450R/X MODELS AND YEARS! 98mm big bore cylinder 14:1 CP forged piston CUSTOM RACER DESIGN Hi temp piston rings Wristpin Circlip...

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$599.99 - $599.99
$599.99
$599.99 - $599.99
$599.99
Save 9% Save %
$2,199.99
$2,199.99 - $2,199.99
$2,199.99
$1,999.99
$1,999.99 - $1,999.99
$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
$2,199.99 - $2,199.99
$2,199.99
$1,999.99
$1,999.99 - $1,999.99
$1,999.99
Save 9% Save %
$1,399.99 - $1,399.99
$1,399.99
$1,399.99 - $1,399.99
$1,399.99

YFZ450R YFZ 450R 450X Oil Pump 98mm Big Bore Complete Motor Engine Rebuild Kit

BPRATV

WORKS ON ALL YAMAHA YFZ450R MODELS AND YEARS! - DOES NOT FIT YFZ450 CARB MODEL NEW 98mm BPRATV purpose built cylinder CP JE or Wiseco forged pis...

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$1,399.99 - $1,399.99
$1,399.99
$1,399.99 - $1,399.99
$1,399.99
$1,899.99 - $1,899.99
$1,899.99
$1,899.99 - $1,899.99
$1,899.99

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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$1,899.99 - $1,899.99
$1,899.99
$1,899.99 - $1,899.99
$1,899.99
$799.99 - $799.99
$799.99
$799.99 - $799.99
$799.99

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
$799.99 - $799.99
$799.99
$2,599.99 - $2,599.99
$2,599.99
$2,599.99 - $2,599.99
$2,599.99

YFZ450R YFZ 450R Crank Cases 98mm Big Bore Hotcams Valves Complete Rebuild Kit

BPRATV

FITS ALL YAMAHA YFZ450 FI MODELS AND YEARS 98mm NEW DESIGN big bore cylinder BRAND NEW OEM CRANKCASES Wiseco JE or CP forged piston** Hi temp pi...

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$2,599.99 - $2,599.99
$2,599.99
$2,599.99 - $2,599.99
$2,599.99
$799.99 - $799.99
$799.99
$799.99 - $799.99
$799.99

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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$799.99 - $799.99
$799.99
$799.99 - $799.99
$799.99
Save 12% Save %
$604.99
$604.99 - $604.99
$604.99
$529.99
$529.99 - $529.99
$529.99

YFZ450R YFZ 450R 95mm OEM Stock Bore Cylinder Rebuilt Top End Rebuild Parts Kit

BPRATV

FITS ALL YAMAHA YFZ450R MODELS AND YEARS DOES NOT FIT CARB MODEL YFZ450 New after market 95mm cylinder Wiseco CP or JE forged piston**Piston rings...

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$604.99
$604.99 - $604.99
$604.99
$529.99
$529.99 - $529.99
$529.99
Save 12% Save %
Save 91% Save %
$1,385.95
$1,385.95 - $1,385.95
$1,385.95
$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
$1,385.95 - $1,385.95
$1,385.95
$119.99
$119.99 - $119.99
$119.99
Save 91% Save %

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