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SHIPPING UPDATE: Due to high demand, orders are currently processing in 5-7 business days. Need it faster? Contact us to upgrade to expedited shipping! If you’ve found the item elsewhere or can’t wait, no problem—we completely understand. Just reach out to us, and we’ll cancel your order. Thanks for your patience and support! BRAPPPPPPPPPP!

Honda TRX450R

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$1,999.99 - $1,999.99
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06+ TRX450R 100m Big Bore Kit Ported Cylinder Head Porting +1 Kibblewhite Valves

BPRATV

Stock bore cylinder Wiseco or Wossner stock bore piston Hard coated piston rings Chrome wristpin Circlips Top end gasket kit  MLS head gasket OEM H...

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$1,899.99
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$1,899.99

04 05 TRX450R Ported Head 97mm Big Bore Kit Port Polish +3 Top End Rebuild

BPRATV

97mm big bore cylinder Wiseco or Wossner forged big bore piston Hard coated piston rings Chrome wristpin Circlips Top end gasket kit  Cometic big b...

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$1,209.99
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$299.99
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$299.99

04 05 TRX450R 97mm 13.5:1 Piston +3 Wiseco Top End Rebuild TITANIUM Head Studs

Wiseco

97mm Wiseco forged 13.5:1 big bore piston Nitrite coated piston rings Chrome wristpin Circlips Cometic big bore top end gasket kit MLS head ...

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$1,209.99
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$299.99
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$299.99
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06+ TRX450R Ported Port Head Porting Big Bore Kit 100mm Top End KPMI +1 Valves

BPRATV

100mm big bore cylinder Wiseco, JE or CP 100mm big bore piston Hard coated piston rings Chrome wristpin Circlips Top end gasket kit  Cometic big bo...

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$984.50
$984.50 - $984.50
$984.50
$575.00
$575.00 - $575.00
$575.00

04 05 TRX450R 97mm Hi Comp Big Bore Kit 13.5:1 Race Gas 479cc Top End Rebuild

Hot Rods

97mm big bore cylinderWiseco 13.5:1 custom big bore forged piston Nitrite coated piston rings Chrome wristpin Circllips Cometic big bore top end ga...

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$984.50
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$2,989.99
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04 05 TRX450R Complete Engine Motor 500cc Big Bore Stroker Assembled Assembly

BPRATV

COMPLETE BUILT 500cc BIG BORE STROKERPhotos are of actual engine you will receiveUsed core bottom end with all new parts listed below97mm big bore ...

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$984.50
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$349.99
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$349.99

04 05 TRX450R Wiseco Piston Hi Comp 14:1 Piston TITANIUM Stud Kit Race Gas Redo

BPRATV

WORKS ON ALL 2004 and 2005 HONDA TRX450R SPORTRAX MODELS Wiseco forged 94mm (stock bore) 14:1 piston Racer Elite moly coated skirt Nitrite coat...

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$349.99
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$349.99
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$984.50
$984.50 - $984.50
$984.50
$575.00
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$575.00

04 05 TRX450R Big Bore Kit 97mm +3 479cc Top End Rebuild Assembly Repair Parts

Hot Rods

97mm big bore cyl;inder Wiseco or Wossner big bore forged piston Nitrite coated piston rings Chrome wristpin Circllips Cometic big bore top end g...

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$984.50
$984.50 - $984.50
$984.50
$575.00
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$575.00
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$2,499.99 - $2,499.99
$2,499.99
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$2,499.99

06+ TRX450R Cases Big Bore Stroker Kit 520cc Complete Redo Rebuild Assembly Kit

BPRATV

New set of OEM crankcases bored for 100mm cylinder 100mm big bore cylinder 100mm big bore JE or CP forged piston Nitrite coated piston rings Chr...

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06+ TRX450R Cases Big Bore Rebuild Kit 100m Cylinder Crankcase Redo Assembly Kit

BPRATV

New set of OEM crankcases bored for 100mm cylinder 100mm big bore cylinder 100mm big bore JE or CP forged piston Nitrite coated piston rings Chr...

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$2,499.99 - $2,499.99
$2,499.99
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04 05 TRX450R Cases Complete Top End Bottom End Rebuild Motor Engine Crankcases

Honda OEM

New OEM crankcase set Stock bore cylinder Wiseco or Wossner forged piston Nitrite coated piston rings Chrome wristpin Circlips Hotrods or Wiseco...

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$2,499.99 - $2,499.99
$2,499.99
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06+ TRX450R +1 Valve Ported Head Assembly Stage 3 Hotcam Kibblewhite 1mm Valves

BPRATV

Brand new OEM cylinder head Full race port & polish Intake, exhaust, combustion chamber Valve guides cut to match porting Pocket port for +1mm...

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04 05 TRX450R Ported Polished +1 Head Porting Assembled Kibblewhite 1mm Valves

BPRATV

Used OEM cylinder head inspected, cleaned, and sandblasted Full race port & polish Intake, exhaust, combustion chamber Valve guides cut to mat...

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$1,499.99
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$1,399.99 - $1,399.99
$1,399.99
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$1,399.99

04 05 TRX450R Ported Polished Head Porting Assembled Kibblewhite Valves Assembly

BPRATV

Used OEM cylinder head inspected, cleaned, and sandblasted Full race port & polish Intake, exhaust, combustion chamber Valve guides cut to mat...

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$1,399.99 - $1,399.99
$1,399.99
$1,399.99 - $1,399.99
$1,399.99
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$1,000.99
$1,000.99 - $1,000.99
$1,000.99
$999.99
$999.99 - $999.99
$999.99

04 05 TRX450R 97mm Big Bore Rebuild Kit 479 Top Bottom End Assembly Repair Parts

Hot Rods

FITS ALL 04-05 HONDA TRX450R MODELS! Hotrods or Wiseco crank with rod**HD crank bearings Crank balancer bearings Transmission bearings Water pum...

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$1,242.99
$1,242.99 - $1,242.99
$1,242.99
$65.99
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$65.99

04 05 TRX450R Connecting Rod Hotrods 8632 Heavy Duty Rod Only OEM Replacement

Hot Rods

Works on all 2004 and 2005 Honda TRX450R models Hotrods HD connecting rod only - No pin or bearings Honda does not offer the rod only for this...

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$1,242.99
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06 TRX450R 450ER Connecting Rod Hotrods 8660 Heavy Duty Rod Only OEM Replacement

BPRATV

Works on all 2006+ Honda TRX450R and TRX450ER models Hotrods HD connecting rod only - No pin or bearings Honda does not offer the rod only for...

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$1,242.99
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$89.99
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04 05 TRX450R TRX 450R Talon Clutch Kit Cover Oring Titanium Spring Bolt Kit Set

BPRATV

FITS ALL 04-05 HONDA TRX450R MODELS! Talon clutch kit - fibers, steels, hard-coated springs Grade 5 titanium clutch spring bolts Grade 5 titanium...

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$89.99
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$89.99
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$499.99 - $499.99
$499.99
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$499.99

04 05 Honda TRX450R Left Side Crankcase Gaskets Seals Bearings 11200-HP1-670

Honda OEM

FITS ALL '04-05 HONDA TRX450R MODELS OEM Honda left-side crankcase Crankcase oil seal kit Center and left side crankcase gaskets Left side rolle...

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$499.99
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$499.99
$579.99 - $579.99
$579.99
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$579.99

04 05 TRX450R Hi Comp Top End Rebuild Kit Race Gas Piston Cylinder Assembly Kit

Hot Rods

WORKS ON ALL HONDA '04-05 TRX450R SPORTRAX MODELS Brand new 94mm stock bore cylinder Wiseco or CP stock bore 13.5:1 or 14:1 forged piston Nitrit...

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$579.99 - $579.99
$579.99
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$579.99
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$879.99
$879.99 - $879.99
$879.99
$79.99
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$79.99

06+ TRX450R Crank Pin Hotrods Carrillo OEM Stock Stroker Bottom End Rod Pin

BPRATV

Compatible Vehicles Submodel Year Make Model Electric Start 2014 Honda TRX450ER Electric Start 2013 Honda TRX450ER Electric Start 201...

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$225.45
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$139.99
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$139.99

04 05 TRX450R TRX 450R Kibblewhite Stainless Valves Valve Seals 97mm Head Gasket

BPRATV

FITS ALL 2004 AND 2005 HONDA TRX450R MODELS! Kibblewhite Black Diamond std size intake and exhaust valves Kibblewhite Viton valve stem seals 97mm ...

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$225.45
$139.99
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$139.99
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$569.99 - $569.99
$569.99
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$569.99

04 05 TRX450R Top End Rebuild Kit Replace Cylinder Piston Upper Assembly Parts

Wiseco

WORKS ON ALL HONDA '04-05 TRX450R SPORTRAX MODELS Brand new 94mm stock bore cylinder Wiseco JE or CP stock bore forged piston Nitrite coated pis...

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$569.99 - $569.99
$569.99
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$569.99
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$879.99
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$49.99
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$49.99

04 05 TRX450R Rod Bearing Crankshaft Bottom Big End OEM Aftermarket Needle Beari

Hot Rods

FITS ALL 04-05 HONDA TRX450R MODELS! Connecting rod big end needle bearing Works for all OEM and aftermarket connecting rods and crankshafts Rei...

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$879.99
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$879.99
$49.99
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$1,699.99 - $1,699.99
$1,699.99
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$1,699.99

04 05 TRX450R Rebuild Kit Hotcam Stock Top Bottom End Motor Engine Stage 2 Cam

BPRATV

FITS ALL 04-05 HONDA TRX450R MODELS! Aftermarket stock bore cylinder Wiseco CP or JE forged piston** Piston rings Wristpin Circlips Hotrods or Wis...

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$1,699.99 - $1,699.99
$1,699.99
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$1,699.99
$159.99 - $159.99
$159.99
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$159.99

'06+ TRX450R TRX 450R Hot Cam Chain Guides Red Billet Timing Chain Tensioner Kit

Honda OEM

FITS ALL '06+ HONDA TRX450R AND TRX450ER MODELS! OEM Honda cam chain guides Hotcams HD timing chain Red billet cam chain tensioner Chain tensione...

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$159.99 - $159.99
$159.99
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$159.99
$1,359.99 - $1,359.99
$1,359.99
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$1,359.99

04 05 TRX450R TRX 450R Complete Rebuilt Motor Engine Rebuild Valves Parts Kit

BPRATV

FITS ALL 2004 and 2005 TRX450R MODELS! 94mm after market cylinder CP JE or Wiseco forged piston** Piston rings Wristpin Circlips Hotrods cranksh...

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$1,359.99 - $1,359.99
$1,359.99
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$1,359.99
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$674.13
$674.13 - $674.13
$674.13
$599.98
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$599.98

04 05 TRX450R TRX 450R OEM Crank Bearings Honda Crankshaft Main Bearing Seals

Honda OEM

FITS ALL '04-05 HONDA TRX450R MODELS!Genuine OEM Honda crankshaft with rodBoth left and right side crank bearingsNTN and SKF Crank Main BearingsInc...

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$674.13
$674.13 - $674.13
$674.13
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$599.98
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$1,999.99
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06+ TRX450R Cases Complete Rebuild Kit Right Left Crankcase Top Bottom Assembly

BPRATV

COMPLETE REBUILD WITH EVERYTHING EVEN CASES.  SE HABLA ESPANOL! FITS ALL '06+ HONDA TRX450R AND TRX450ER MODELS NEW set of OEM crankcases After ma...

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$1,999.99
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$1,999.99
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$975.00 - $975.00
$975.00
$975.00 - $975.00
$975.00

04 05 TRX450R TRX 450R 97mm Big Bore Stage 3 Hotcam 479 Cylinder Cam Top End Kit

BPRATV

FITS 2004 AND 2005 HONDA TRX450R MODELS NEW purpose built 97mm cylinder Wiseco custom 11.5:1 forged piston Hi temp piston rings Chrome wristpin C...

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$975.00 - $975.00
$975.00
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$975.00
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$149.99
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$149.99
$110.46
$110.46 - $110.46
$110.46

04-05 Honda TRX450R Crank Pin Rod Bearing Bottom End Crankshaft Rod Rebuild Kit

BPRATV

WORKS ON ALL 2004-2005 HONDA TRX 450R YEAR MAKE MODELS Aftermarket replacement crank pin and rod bearing Includes thrust washers when applicable on...

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$149.99
$149.99 - $149.99
$149.99
$110.46
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$110.46
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04 05 TRX450R TRX 450R Stroker Motor Rebuilt Complete Engine Rebuild Parts Kit

BPRATV

FITS ALL '06+ HONDA TRX450R AND TRX450ER MODELS! 99mm big bore cylinder Wiseco CP or JE forged piston** Piston rings Wristpin Circlips Hotrods +3m...

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$1,199.99
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$1,199.99
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$109.99
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$99.99

04 05 TRX450R TRX 450R Titanium Clutch Cover Bolts Ti Right Side Cover Bolt Kit

BPRATV Talon Titanium

FITS ALL '04-05 HONDA TRX450R AND MODELS All Titanium right side (clutch) bolt kit Made from Grade 5 Ti-6 Titanium alloy  Stronger, longer lasting...

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$109.99
$109.99 - $109.99
$109.99
$99.99
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$99.99
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Honda trx450r hotcam stage 3 Kibblewhite valve springs
Save 14% Save %
$698.89
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$698.89
$599.99
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$599.99

04 05 TRX450R TRX 450R Stage 3 Hotcam +1 Kibblewhite Valves Springs Complete Kit

BPRATV

FITS ALL 04-05 HONDA TRX450R MODELS Hotcams Stage 3 camshaft Cam bearing Kibblewhite lightweight double valve springs Titanium retainers Heat tre...

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$698.89
$698.89 - $698.89
$698.89
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$599.99
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$137.45
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$120.00
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$120.00

04 05 TRX450R TRX 450R +1 Kibblewhite Valves 1mm Over Intake Exhaust Valve Seals

Kibblewhite Precision

FITS ALL '04-05 HONDA TRX450R MODELS +1mm Kibblewhite Black Diamond stainless steel valves Both intake and exhaust included Kibblewhite vito...

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$137.45
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$137.45
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$120.00
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04 05 TRX450R TRX 450R Ported Assembled Head Porting Kibblewhite Valves Assembly

BPRATV

FITS ALL '04-05 HONDA TRX450R MODELS!  THE PHOTOS ARE OF THE HEAD YOU WILL RECEIVE!  CHECK OUT THAT PORT WORK!  - Used cylinder head inspected, c...

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$1,599.99
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