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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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$1,599.99 - $1,599.99
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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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$610.99 - $610.99
$610.99
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$610.99

04 05 TRX450R Big Bore Kit 97mm Cylinder CP Piston +3 479cc Upper Assembly Kit

Hot Rods

WORKS ON ALL HONDA '04-05 TRX450R SPORTRAX MODELS Brand new 94mm stock bore cylinder CP 13:1 big bore forged piston Nitrite coated piston rings ...

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$610.99 - $610.99
$610.99
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$699.99
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$575.00
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$575.00

04 05 TRX450R TRX 450R Cylinder Hi Comp Race Gas Piston Top End Rebuild Ki

BPRATV

FITS ALL 04-05 HONDA TRX450R MODELS! NEW 94mm after market cylinder 13.5:1 Wiseco or CP forged piston Piston rings Wristpin Circlips Top end gask...

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$699.99
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$575.00
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$575.00
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$399.99 - $399.99
$399.99
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$399.99

04 05 TRX450R TRX 450R +1 Valves Kibblewhite 1mm Over Valve Springs Guides Kit

Kibblewhite Precision

WORKS ON ALL '04-05 HONDA TRX450R SPORTRAX MODELS Chrome silicone double valve springs Titanium retainers Heat treated collars +1mm Black Diamond...

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$399.99 - $399.99
$399.99
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$859.99 - $859.99
$859.99
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$859.99

04 05 TRX450R Top End Rebuild Kit Hotcam Stock Replacement Stage 2 Hot Cam Kit

Hot Cams

WORKS ON ALL HONDA '04-05 TRX450R SPORTRAX MODELS Brand new 94mm stock bore cylinder Wiseco oe Wossner forged piston Nitrite coated piston rings...

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$859.99 - $859.99
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$46.19
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$38.99
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$38.99

04 05 TRX450R TRX 450R Stock Bore Top End Head Gasket Kit 96mm Gaskets Kit Seals

BPRATV

WORKS ON ALL 04-05 HONDA TRX450R MODELS Stock bore MLS head gasket Base gasket Chain tensioner gasket Valve stem seals Works on all OEM or afterm...

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$859.99 - $859.99
$859.99
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$859.99

04 05 TRX450R Big Bore Kit 97mm Stage 3 Hotcam +3 Cylinder Piston Hot Cam 479cc

Hot Rods

WORKS ON ALL HONDA '04-05 TRX450R SPORTRAX MODELS Brand new 97mm big bore cylinder Wiseco big bore forged piston Nitrite coated piston rings Chr...

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$859.99 - $859.99
$859.99
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$399.99 - $399.99
$399.99
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$399.99

04 05 TRX450R TRX 450R Kibblewhite Valve Springs Guides Complete Head Repair Kit

BPRATV

FITS 2004 and 2005 Honda TRX450R models! Kibblewhite chrome silicone race valve springs Titanium retainers Heat treated collars Black Diamond sta...

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$399.99 - $399.99
$399.99
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$879.99
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$49.99

06+ TRX450R Crank Pin Bearing Big Large Bottom End Needle OEM Aftermarket Rod

BPRATV

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

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$599.99 - $599.99
$599.99
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04 05 TRX450R TRX 450R 97mm Big Bore 13.5:1 Racer Elite Piston +3 Top End Kit

BPRATV

FITS 2004 AND 2005 HONDA TRX450R MODELS NEW Magnum 97mm cylinder Wiseco custom 13.5:1 forged big bore piston - race gas only Nitrite coated piston...

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$599.99
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$599.99 - $599.99
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04 05 TRX450R Hi Comp Big Bore Kit 97mm 13.5:1 +3 Top End Rebuild Assembly 479cc

Hot Rods

WORKS ON ALL HONDA '04-05 TRX450R SPORTRAX MODELS Brand new 97mm big bore cylinder 13.5:1 Wiseco Racer's Choice CUSTOM big bore forged piston Ni...

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$599.99
$599.99 - $599.99
$599.99
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Save 16% Save %
$46.19
$46.19 - $46.19
$46.19
$38.99
$38.99 - $38.99
$38.99

04 05 TRX450R TRX 450R Stock Bore Top End Head Gasket Kit 94mm Gaskets Kit Seals

BPRATV

WORKS ON ALL 04-05 HONDA TRX450R MODELS Stock bore MLS head gasket Base gasket Chain tensioner gasket Valve stem seals Works on all OEM or afterm...

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$46.19
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$46.19
$38.99
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$1,242.99
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$29.99
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$29.99

04 05 TRX450R TRX 450R Crank Bearing SKF Left Side Crankshaft HD Main Bearing

BPRATV

FITS ALL '04-05 HONDA TRX450R MODELS! One SKF left side crankshaft main bearing Replaces OEM # 91001-HP1-671 High quality bearing made in France ...

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$384.99
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* 04 05 TRX450R TRX 450R Kibblewhite +1 Intake Valves Valve Springs Guides Kit

BPRATV

FITS 2004 and 2005 Honda TRX450R models! Kibblewhtie lightweight valve spring kit Titanium retainers Heat treated collars Kibblewhite +1mm intake...

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$384.99
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$349.99
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04-05 TRX450R TRX 450R Big Bore Stroker Hi Comp 13.5:1 Rebuild Stage 3 Cam Valve

BPRATV

FITS ALL 04-05 HONDA TRX450R MODELS! 97mm BPR cylinder Wiseco 13.5:1 Racer's Elite forged piston - race gas only Armorglide coating Lateral gas por...

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04 05 TRX450R OEM Honda Cylinder 12101-HP1-670 Stock Bore Top End Rebuild Kit

Wiseco

FITS ALL 2004 and 2005 HONDA TRX450R MODELS ONLY! OEM Honda cylinder - Part number 12101-HP1-670 JE CP or Wiseco forged big bore piston** Nitrite...

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$699.99
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$984.50
$984.50 - $984.50
$984.50
$269.99
$269.99 - $269.99
$269.99

04 05 TRX450R TRX 450R Hi Comp Race Gas Piston Wiseco 14:1 Stock Bore Gaskets

BPRATV

WORKS ON ALL 2004 and 2005 HONDA TRX450R SPORTRAX MODELS Wiseco forged 94mm (stock bore) 14:1 piston Racer's choice skirt coated upgraded pisto...

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$984.50
$984.50 - $984.50
$984.50
$269.99
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$269.99
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$1,399.99
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$1,199.99
$1,199.99 - $1,199.99
$1,199.99

04 05 TRX450R TRX 450R Stock Rebuild Kit Complete Rebuild Motor Engine Redo Kit

BPRATV

FITS ALL '04-05 HONDA TRX450R AND MODELS! Stock bore BPR cylinder Wiseco CP JE or Wossner forged piston** The piston is hi-comp pump gas Piston ri...

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$1,399.99
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$1,199.99
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$479.11
$479.11 - $479.11
$479.11
$381.56
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$381.56

04 05 TRX450R TRX 450R Hotrods Stock Replacement Crank Crankshaft Main Bearings

Hot Rods

4060, K046, 13090-HP1-315, 91001-HP1-671, 91201-HP1-671, 91202-HP1-671, 91202-HP1-672, 91008-HP1-672 Bring your TRX450R engine back to life with Ho...

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$479.11
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$479.11
$381.56
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$381.56
Save 20% Save %
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$879.99
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$489.56
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$489.56

04 05 TRX450R TRX 450R Hotrods Stroker Crank +3 Crankshaft Rod Assembly Bearings

Hot Rods

4160, K046, 4160, K046, 13090-HP1-315, 91001-HP1-671, 91002-HP1-601, 91201-HP1-671, 91202-HP1-671, 91202-HP1-672, 91201-MEB-671, 91202-MEY-671FITS ...

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$879.99
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$879.99
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$489.56
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$2,999.99
$2,999.99 - $2,999.99
$2,999.99
$2,499.98
$2,499.98 - $2,499.98
$2,499.98

04 05 TRX450R TRX 450R Cases Big Bore Stroker +3 500cc Complete Rebuild Repair

BPRATV

FITS ALL 2004 2005 HONDA TRX450R MODELS! BRAND NEW crankcases NEW 97mm cylinder CP 11.5:1 custom forged piston Hotrods +3mm stroker crank with rod ...

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$2,999.99
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04 05 TRX450R TRX 450R Cases Complete Rebuilt Motor Engine Rebuild Parts Kit

BPRATV

FITS ALL 2004 2005 HONDA TRX450R MODELS! OEM crankcases After market 94mm cylinder CP or Wiseco forged piston Hi temp piston rings Wristpin Circli...

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$2,499.99 - $2,499.99
$2,499.99
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$2,499.99
$799.99 - $799.99
$799.99
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$799.99

06 TRX450R Rebuild Kit Hotrods Crank Piston Top Bottom End Motor Engine Assembly

BPRATV

FITS ALL 2006+ HONDA TRX450R/ER MODELS! Wiseco CP or JE forged piston Hi temp piston rings Chrome wristipin Circlips Hotrods or Wiseco crank assem...

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$799.99 - $799.99
$799.99
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$395.99 - $395.99
$395.99
$395.99 - $395.99
$395.99

04 05 TRX450R TRX 450R +1 Valves Kibblewhite Valve Springs 1 Over Head Rebuild

Kibblewhite Precision

WORKS ON ALL '04-05 HONDA TRX450R SPORTRAX MODELS Chrome silicone double valve springs Titanium retainers Heat treated collars +1mm Black Diamond...

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$395.99 - $395.99
$395.99
$395.99 - $395.99
$395.99
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$1,599.99 - $1,599.99
$1,599.99
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$1,599.99

04 05 TRX450R TRX 450R Big Bore Stroker Crank 500cc Complete Rebuild Kit Hotcam

BPRATV

FITS ALL 04-05 HONDA TRX450R MODELS! BPR 97mm big bore cylinder Wiseco 11.5:1 forged piston** Piston rings Wristpin Circlips Hotrods +3mm stroker ...

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$1,599.99
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Save 12% Save %
$449.99
$449.99 - $449.99
$449.99
$395.99
$395.99 - $395.99
$395.99

04 05 TRX450R TRX 450R Kibblewhite Black Diamond Valve Springs Head Rebuild Kit

Kibblewhite Precision

WORKS ON ALL '04-05 HONDA TRX450R SPORTRAX MODELS Chrome silicone double valve springs Titanium retainers Heat treated collars Black Diamond stai...

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$449.99
$449.99 - $449.99
$449.99
$395.99
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$395.99
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$699.99
$699.99 - $699.99
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$599.99

04 05 TRX 450R TRX450R 97mm Big Bore Kit +3 Cylinder Top End Rebuild Assembly

BPRATV Talon Titanium

WORKS ON ALL HONDA '04-05 TRX450R SPORTRAX MODELS Brand new 97mm big bore cylinder 11.5:1 Wiseco CUSTOM big bore forged piston Nitrite coated pi...

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$699.99
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Save 38% Save %
$3,999.99
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$2,499.98
$2,499.98 - $2,499.98
$2,499.98

04 05 TRX450R TRX 450R Cases Complete Rebuilt Motor Engine Rebuild Kit Crankcase

BPRATV

FITS ALL 04-05 HONDA TRX450R MODELS BRAND NEW set of crankcases NEW 94mm cylinder Wiseco or CP forged 11.5:1 piston Hi temp piston rings DLC chrom...

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$3,999.99
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$2,499.98
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$169.99
$169.99 - $169.99
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$159.99
$159.99 - $159.99
$159.99

04 05 TRX450R TRX 450R Kibblewhite Valves Stock Intake Exhaust Valve Stem Seals

Kibblewhite Precision

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

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$169.99
$169.99 - $169.99
$169.99
$159.99
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$159.99
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