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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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*YFZ450 YFZ 450 Hotrods Stroker Crank Shaft +3 Crankshaft Carb Model 470 500

BPRATV

FITS ALL CARB MODEL YFZ450 ATVs ALL YEARS Includes one Hotrods HD +3 stroker crank with rod, as well as new HD crank bearings.  Works with stock p...

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$725.99
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$1,385.95
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$124.99
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YFZ450 YFZ 450 Head Studs TITANIUM Strongest Best Aftermarket Head Stud Bolt Kit

BPRATV

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

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$1,385.95
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$999.99 - $999.99
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YFZ450 YFZ 450 98mm Big Bore Stroker Crank Rebuild Assembly Kit No Cylinder 500c

BPRATV

FITS ALL YAMAHA YFZ450 ATV CARB MODELS AND YEARS! Wiseco JE or CP forged big bore piston** Hi temp piston rings Chrome wristpin Circlips Hotrods +...

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YFZ450 YFZ 450 Big Bore Rebuild Kit 98 mil Cylinder Complete Top Bottom End 480c

BPRATV

FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY!BIG TIME RELIABLE BOLT ON POWER! 98mm NEW DESIGN big bore cylinder JE Wiseco or CP forged ...

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YFZ450R YFZ 450R Wiseco Conn Rod Kit Racer Choice HD Stock Bore Piston Rebuild

BPRATV

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

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$541.49 - $541.49
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$1,385.95
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$549.99
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YFZ450 YFZ 450 Kibblewhite Valves Valve Springs Buckets Tappets Head Rebuild Kit

BPRATV

FITS ALL YAMAHA YFZ450 AND YFZ450R CARB AND FI MODELS AND YEARS Kibblewhite chrome silicone valve springs Kibblewhite titanium retainers Kibblewhit...

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$429.99 - $429.99
$429.99
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YFZ450 YFZ 450 Pro-X ProX Valves Valve Springs Spring Complete Head Rebuild Kit

BPRATV

WORKS ON MULTIPLE YAMAHA 450cc ATVs AND DIRT BIKES - SEE FITMENT CHART ABOVE FOR YOURS Pro-X stainless steel intake and exhaust valves Pro_X valve...

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$429.99 - $429.99
$429.99
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$1,249.99 - $1,249.99
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YFZ450 YFZ 450 Big Bore Stroker Crank Kit Oil Pump Top Bottom Complete Kit 500cc

BPRATV

FITS ALL YAMAHA YFZ450 CARB MODELS AND YEARS NEW 98mm cylinder CP or JE forged hi-comp pump gas piston Hi-temp piston rings DLC wrist pin Circlips ...

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$1,249.99 - $1,249.99
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YFZ450 YFZ 450 OEM Crank 5TG-11400-31-00 Complete Motor Engine Rebuild Kit CARB

BPRATV

FITS ALL YAMAHA YFZ450 CARB MODELS AND YEARS!  - 95mm after market cylinderWiseco or CP forged piston**Hi temp piston ringsWristpinCirclipsGENUIN...

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$1,299.99 - $1,299.99
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YFZ450 YFZ 450 Carb Model CP Carrillo Rod Rebuild Kit Heavy Duty Rod Upgrade Kit

BPRATV

Compatible Vehicles Submodel Year Make Model -- 2013 Yamaha YFZ450 -- 2012 Yamaha YFZ450 -- 2011 Yamaha YFZ450 -- 2010 Yamaha YFZ45...

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$649.99 - $649.99
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YFZ450 YFZ 450 Complete Head Assembly Assembled Stage 1 Cams Kibblewhite Valves

BPRATV

FITS ALL YAMAHA YFZ 450 CARB MODELS!  DOES MOT FIT YFZ450R Brand new OEM cylinder head  Complete head assembly Install and shim cams Stage 1 Hotca...

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$879.99
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$879.99
$482.36
$482.36 - $482.36
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*YFZ450 YFZ 450 Hotrods Stroker Crank +3 Crankshaft Rod Assembly Bearings Kit

BPRATV

FITS ALL YAMAHA YFZ450 CARB MODELS Hotrods +3mm stroker crank assembly with rod SKF crank bearings Works with all your stock components Makes 470c...

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$879.99
$879.99 - $879.99
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YFZ450 YFZ 450 OEM Cases 98mm Stroker 500c Complete Rebuild Assembly Cams Valves

BPRATV

THIS KIT HAS IT ALL! FITS ALL YAMAHA YFZ450 CARB MODELS AND YEARS! BRAND NEW GENUINE YAMAHA OEM CASES 98mm BPR big bore nikasil cylinder Wiseco JE ...

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YFZ450 YFZ 450 98 Big Bore Rebuild Guides Hotcams Complete Motor Engine Redo Kit

BPRATV

FITS ALL YAMAHA YFZ450 CARB MODEL YEARS AND MODELS! 98mm big bore cylinder CP JE Wiseco or Wossner big bore forged piston** Hi-temp piston rings Wr...

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$1,999.99
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YFZ450 YFZ 450 Cases Crankcases Complete Rebuilt Motor Engine Rebuild Parts Kit

BPRATV

FITS ALL YAMAHA YFZ450 CARB MODELS AND YEARS! BRAND NEW OEM crankcases Cylinder Works or Athena 95mm cylinder CP JE or Wiseco forged piston** Hi-te...

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Save 13% Save %
$1,599.99
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YFZ450 YFZ 450 Big Bore Stroker Motor Engine Rebuild Kit Oil Pump Upgrade Mod 98

BPRATV

FITS ALL YAMAHA YFZ450 ATV CARB MODELS AND YEARS! 98mm BPRATV big bore cylinder CP JE or Wiseco forged piston Hi-temp piston rings Wristpin Circlip...

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$1,599.99
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$179.99 - $179.99
$179.99
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YFZ450 YFZ 450 Kibblewhite White Diamon Stainless Steel Valves Seals Head Gasket

BPRATV

FITS ALL YAMAHA YFZ450 CARB MODELS AND YEARSKibblewhite White Diamond stainless steel intake and exhaust valves Kibblewhite viton valve stem seals ...

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$179.99 - $179.99
$179.99
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YFZ450 YFZ 450 98mm Big Bore Stroker Complete Rebuilt Motor Engine Rebuild 500cc

BPRATV

FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY! 98mm NEW DESIGN big bore cylinder JE Wiseco or CP forged piston** Hi temp piston rin...

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$1,199.99 - $1,199.99
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$1,299.98
$1,299.98 - $1,299.98
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YFZ450 YFZ 450 Big Bore Stroker Crank 98m Complete Motor Engine Rebuild Redo Kit

BPRATV

FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY! 98mm BPRATV Big Bore Nikasil Cylinder Hotrods stroker crank with rod Wiseco JE CP or Wossn...

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$1,399.99
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$1,399.99
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$54.99
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$54.99
$25.99
$25.99 - $25.99
$25.99

YFZ450 YFZ 450 Billet Water Pump Impeller Gear Redesigned Hi Flow CNC USA Stock

BPRATV

WORKS ON ALL YAMAHA YFZ450 CARB MODELS AND YEARS Hi flow redesigned billet impeller  Larger fins than OEM Keeps engine running cooler Brand new ...

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$54.99
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$329.95
$329.95 - $329.95
$329.95
$274.99
$274.99 - $274.99
$274.99

YFZ450 YFZ 450 Bearings Complete HD Aftermarket SKF Bottom End Motor Bearing Kit

BPRATV

TBK0067, 822238, BBK0015, K022, 93306-30633-00, 93306-20335-00, 93311-62574-00, 93306-20532-00, 93306-00431-00, 93306-00426-00, 93306-20593-00, 933...

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$329.95
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$329.95
$274.99
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$274.99
Save 17% Save %
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$45.59 - $45.59
$45.59
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$45.59

YFZ450R YFZ 450R Crank Shaft Counter Balancer Roller Needle Bearings Upgrade Kit

BPRATV

FITS ALL YAMAHA YFZ 450R 450X MODELS AND YEARS - DOES NOT FIT CARB MODEL YFZ450 Two counter balancer roller bearings One counter balancer needle...

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$45.59 - $45.59
$45.59
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Save 45% Save %
$263.99
$263.99 - $263.99
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$144.99
$144.99 - $144.99
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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
$263.99 - $263.99
$263.99
$144.99
$144.99 - $144.99
$144.99
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Save 77% Save %
$258.50
$258.50 - $258.50
$258.50
$59.99
$59.99 - $59.99
$59.99

YFZ450R YFZ 450R 95mm Piston Stock Standard Bore 95 mil Top End Head Gaskets Kit

BPRATV

WORKS ON ALL YAMAHA YFZ450R FUEL INJECTED MODELS - DOES NOT WORK ON YFZ450 CARB MODELS BUY IN BULK AND SAVE $$$$! 95mm 11.5:1 stock bore piston P...

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$258.50
$258.50 - $258.50
$258.50
$59.99
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Save 77% Save %
$1,299.99 - $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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$19.99 - $19.99
$19.99
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$19.99

YFZ450R YFZ 450R Head Gasket Stock Standard OEM Bore 95 mil Rep 2S2-11181-00-00

BPRATV

FITS ALL YAMAHA 450cc MODELS LISTED ABOVE Includes one MLS steel head gasket in 95mm.  Fits any 95mm cylinder.  Everything is new in the original p...

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$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
$1,899.99 - $1,899.99
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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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$1,899.99 - $1,899.99
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$1,499.99
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YFZ450R YFZ 450R 450X Big Bore Cylinder Complete Motor Engine Rebuild Kit 478 cc

BPRATV

FITS ALL YAMAHA YFZ450R/450X MODELS AND YEARS FI MODEL ONLY! 98mm BPRATV big bore cylinder Hotrods HD crank with rod JE Wiseco or CP forged pist...

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$1,499.99
$1,499.99 - $1,499.99
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Save 20% Save %
$599.99 - $599.99
$599.99
$599.99 - $599.99
$599.99

YFZ450R YFZ 450R 14:1 Hi Comp Big Bore Kit Race Gas Piston 98mm +3 Cylinder 478c

BPRATV

FITS ALL YAMAHA YFZ450R/X MODELS AND YEARS FI MODEL ONLY! 98mm BPR big bore cylinder 14:1 CP-Carrillo Custom forged big bore piston - RACE GAS OR ...

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$599.99 - $599.99
$599.99
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Save 35% Save %
$1,385.95
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$899.99
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YFZ450R YFZ 450R 450X Hot Cams Stage 3 Three Big Bore Kibblewhite Springs Kit

BPRATV

FITS ALL YAMAHA YFZ450R FI MODELS AND YEARS - DOES NOT FIT CARB MODEL YFZ450 Hotcams Stage 3 intake and exhaust cams Kibblewhite chrome silicone ...

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$1,385.95
$1,385.95 - $1,385.95
$1,385.95
$899.99
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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
$124.99 - $124.99
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Get best yFz450r big bore kit cams near me
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$1,199.99
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$1,099.99

YFZ450R YFZ 450R Stage 3 Hot Cams Hotcams 98mm Big Bore Top End Rebuild Part Kit

BPRATV

FITS ALL YAMAHA YFZ450R AND YFZ450X YEARS AND MODELS! 98mm REDESIGNED big bore cylinder Wiseco CP or JE forged piston** Hi-temp piston ...

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$1,199.99
$1,199.99 - $1,199.99
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Save 9% Save %
$604.99
$604.99 - $604.99
$604.99
$549.99
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YFZ450R YFZ 450R Big Bore Kit 98mm Cylinder Piston Timing Chain Top End Rebuild

BPRATV

DO YOU WORK ON BIKES FOR A LIVING?  ARE YOU A SHOP OR DEALER?  IF SO CONTACT US ABOUT A RESALE ACCOUNT AND SAVE ON EVERYTHING WE SELL FITS ALL YAM...

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$604.99
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$604.99
$549.99
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Save 9% Save %
$649.99 - $649.99
$649.99
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$649.99

YFZ450R YFZ 450R Carrillo Rod Heavy Duty Big Bore CP Piston 98mm +3 Rebuild Kit

BPRATV

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

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$649.99 - $649.99
$649.99
$649.99 - $649.99
$649.99
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$263.99
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$263.99
$74.99
$74.99 - $74.99
$74.99

YFZ450R YFZ 450R Cylinder Head Studs Aftermarket Stronger Stud Bolt Upgrade Kit

BPRATV

FITS ALL YAMAHA YFZ450R AND YFZ450X FI MODELS AND YEARS! BUY IN BULK AND SAVE $$ THE ONLY STUDS ON THE MARKET WITH A LIFETIME REPLACEMENT WARRANTY...

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$263.99
$263.99 - $263.99
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$74.99
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$113.04 - $113.04
$113.04
$113.04 - $113.04
$113.04

YFZ450R YFZ 450R FI Kibblewhite Head Studs KPMI Aftermarket Head Gasket Stud Kit

BPRATV

FITS ALL YAMAHA YFZ450R FUEL INJECTED MODELS! Kibblewhite heavy duty head studs 12 point flange nuts Stock bore Cometic or Vertex top end gasket...

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$113.04 - $113.04
$113.04
$113.04 - $113.04
$113.04

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