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Honda CRF 450 R (02-06) SOHC 4v


Prices And Specifications Effective December 2017, And Are Subject To Change Without Notice.


When a core is required for an item, the core charge will automatically be added to your cart when you add the item. You must return your re-workable OEM core within 180 days of purchase in order to receive a core refund. If we do not offer a core for your application, you need to call us first, and send your core in to be reground / hardwelded.

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You may also call us to order any of the listed items.

All in stock orders placed on-line Monday - Friday before 3:00pm Pacific, will ship the same day.

Please be sure to read our Ordering Policies.

Camshaft Profiles:

VALVE
LIFT

DURATION

DURATION
@ 0.050"

GRIND
NUMBER


.355/.342


282°/298°


258°/262°

943/921


Bolt in profile increases overall performance throughout RPM range.


Regrind

N/A

Hardweld

N/A

New Cam

57-122

$418.00

Qty:


.400/.323


264°/280°


238°/244°

570/993


Performance profile designed to increase overall performance. Excellent throttle response. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit.


Regrind

N/A

Hardweld

N/A

New Cam

57-512

$418.00

Qty:


.400/.350


282°/288°


256°/252°

961/962


Performance profile designed to increase mid and upper end. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit.


Regrind

N/A

Hardweld

N/A

New Cam

57-442

$418.00

Qty:


.400/.360


268°/280°


242°/245°

1043/1044


Excellent torque profile to increase overall performance, also works excellent for short track super motard / supercross applications. Requires Performance Valve Spring Kit.


Regrind

N/A

Hardweld

N/A

New Cam

57-602

$418.00

Qty:


.408/.342


282°/298°


258°/262°

208/921


Race profile. Works well for TT, Super Motard or MX. Requires Exhaust System, High Compression Piston, Larger Diameter Followers, Shortened Valve Guides, and Performance Valve Spring Kit.


Regrind

N/A

Hardweld

N/A

New Cam

57-042

$418.00

Qty:


.415/.342


276°/288°


252°/252°

493/729


Performance profile designed to increase mid and upper end. Requires Exhaust System, High Compression Piston, Larger Diameter Followers, Shortened Valve Guides, and Performance Valve Spring Kit.


Regrind

N/A

Hardweld

N/A

New Cam

55-462

$418.00

Qty:


.415/.410


276°/276°


252°/248°

493/739


High lift, short duration racing profile. Excellent throttle response. Requires Exhaust System, High Compression Piston, Larger Diameter Followers, Shortened Valve Guides, and Performance Valve Spring Kit. Check ALL clearances!


Regrind

N/A

Hardweld

N/A

New Cam

55-442

$418.00

Qty:


.418/.342


284°/298°


261°/262°

242/921


Race profile. A WEB CAM winner! Requires Exhaust System, High Compression Piston, Larger Diameter Followers, Shortened Valve Guides, and Performance Valve Spring Kit. Check ALL clearances!


Regrind

N/A

Hardweld

N/A

New Cam

57-192

$418.00

Qty:


.432/.350


292°/294°


260°/255°

415/416


The "MYSTO" cam designed for race use ONLY. Works good for big bore applications. Requires Exhaust System, High Compression Piston, Larger Diameter Followers, Shortened Valve Guides, and Performance Valve Spring Kit. Check ALL clearances!


Regrind

N/A

Hardweld

N/A

New Cam

57-072

$418.00

Qty:

Other Products:

Buckets, Shim Under (Supertech)

CF-C37

$40.00

Qty:


26 mm x 18 mm x 3.0 mm Price (Each).


Buckets, Shim Under WPC Treated

CF-H02

$85.00

Qty:


28 mm shim under-style buckets. Price (Each).


Buckets, Shim Under (Supertech)

CF-C41

$40.00

Qty:


28 mm x 20 mm x 3.0 mm Price (Each).


Chain Tensioner, Manual

CT-H04

$65.00

Qty:


CNC machined from billet alloy to exact tolerances for perfect fit. This tensioner can not back out allowing the cam chain to jump the sprockets as the auto adjusters have been known to do. Fits the (02-03) CRF 450 models. Price (Each).


Valve Spring Kit With Aluminum Retainers

VC-H72

$296.00

Qty:


Kit includes performance dual PSI springs, aluminum retainers, and bottom cups. OK to .500" valve lift. Price Per Set (4).


Valve Spring Kit With Titanium Retainers (High Rev)

VC-H97

$275.00

Qty:


Kit includes performance Single Valve Springs and Titanium retainers. Recommend for Flat Track use and Hi-Rev applications. OK up to 12,000 RPM. You do not have to use shortened guides with this kit unless you go over 0.410" intake valve lift and 0.350" exhaust valve lift. Spring can handle 0.435" intake lift, 0.380" exhaust lift. Not recommended with Del West Keepers. Price Per Set (4).


Valve Spring Kit With Titanium Retainers

VC-H74

$195.00

Qty:


Kit includes performance dual springs and Titanium retainers. OK up to 0.440" valve lift. Check ALL clearances! Price Per Set (4).


Valve Spring Kit With Titanium Retainers

VC-H46

$280.00

Qty:


Kit includes performance dual springs, Titanium retainers, and bottom cups. OK to .500" valve lift. Recommend using with Titanium valves. Price Per Set (4).


Valve Spring Kit With Titanium Retainers

VC-H15

$405.00

Qty:


Kit includes performance dual PSI springs, Titanium retainers, and bottoms. OK to 0.500" valve lift. Price Per Set (4).


Valves, Stainless (Ferrea) Intake Size

IV-H39

$38.00

Qty:


Standard size 36 mm, +1 mm OS for the 450 X (05-17). Price (Each).


Valves, Stainless (Kibblewhite) Intake Size

IV-H15

$30.00

Qty:


Standard size 36 mm, +1 mm OS for the 450 X (05-17). Price (Each).


Valves, Stainless (Ferrea) Intake Oversized

IV-H36

$38.00

Qty:


Oversized +1 mm to 37 mm, +2 mm OS for the 450 X (05-17). Price (Each).


Valves, Stainless (Kibblewhite) Intake Oversized

IV-H16

$30.00

Qty:


Oversized +1 mm to 37 mm, +2 mm OS for the 450 X (05-17). Price (Each).


Valves, Stainless (Kibblewhite) Intake Oversized

IV-H19

$50.00

Qty:


Oversized +2 mm to 38 mm, +3 mm OS for the 450 X (05-17). Price (Each).


Valves, Stainless (Ferrea) Exhaust Size

EV-H39

$38.00

Qty:


Standard Size 31 mm for CRF 450 R (02-06), +1 mm oversize for CRF 450 R (07-08), CRF 450 X (05-17), TRX 450 ER (06-14), TRX 450 R (06-09). Price (Each).


Valves, Stainless (Kibblewhite) Exhaust Size

EV-H15

$30.00

Qty:


Standard Size 31 mm for CRF 450 R (02-06), +1 mm oversize for CRF 450 R (07-08), CRF 450 X (05-17), TRX 450 ER (06-14), TRX 450 R (06-09). Price (Each).


Valves, Stainless (Ferrea) Exhaust Oversized

EV-H40

$38.00

Qty:


Oversized +1 mm to 32 mm for CRF 450 R (02-06), +2 mm oversize for CRF 450 R (07-08), CRF 450 X (05-17), TRX 450 ER (06-14), TRX 450 R (06-09). Price (Each).


Valves, Stainless (Kibblewhite) Exhaust Oversized

EV-H16

$30.00

Qty:


Oversized +1 mm to 32 mm for CRF 450 R (02-06), +2 mm oversize for CRF 450 R (07-08), CRF 450 X (05-17), TRX 450 ER (06-14), TRX 450 R (06-09). Price (Each).


Valve Guide, Shortened .120" Intake Standard Size

VG-H07-I

$13.50

Qty:


Made from special C630 Bronze material for longer wear. Standard size. Adds additional retainer to guide seal clearance. Must use for lifts above 0.385". Custom sizes available +.001, +.002, +.004, +.010. Price (Each).


Valve Guide, Shortened .095" Exhaust Standard Size

VG-H07-E

$13.50

Qty:


Made from special C630 Bronze material for longer wear. Standard size. Adds additional retainer to guide seal clearance. Must use for lifts above 0.385". Custom sizes available +.001, +.002, +.004, +.010. Price (Each).


Valve Seals Intake

VS-H00

$9.00

Qty:


Replacement valve guide seals. Price (Each).


Valve Seals Exhaust

VS-H07

$9.00

Qty:


Replacement valve guide seals. Price (Each).


Bolts

CB-001

$25.00

Qty:


New factory OEM Bolts to use with your adjustable cam gear. See part number CG-H14. Price Per Set (2).


Cam Gear, Adjustable 36 Teeth

CG-H14

$40.00

Qty:


Adjustable gear only. For use if you already have a flange pressed on your cam. Can be used with all WEB CAM profiles for precise engine tuning. Cam bolts not included, see part CB-001. Price (Each).


Chain Tensioner, Manual

CT-H08

$65.00

Qty:


CNC machined from billet alloy to exact tolerances for perfect fit. This tensioner can not back out allowing the cam chain to jump the sprockets as the auto adjusters have been known to do. In the CRF models fits (04-14). Price (Each).


Chain Tensioner, Manual PRO Series

CT-H03

$95.00

Qty:


The PRO Series is designed for the racer who frequently adjust his engine. The easy-access socket head adjuster screw is perfect for tight spaces. The interior o-ring design ensures that repeated adjustments will not eventually flatten the o-ring against the jam nut. The PRO Series design features an internal o-ring and custom-machined adjuster bolt. The bolt is broached with a 4 mm hex. Does not fit CRF 450 R (02-03) models, or the TRX 450 ER 06, and the 10-14 models as well. Price (Each).


Clearance Items:


RETAINERS

TITANIUM EX RETAINERS HONDA CRF 450R 2002-06

(30-30644)
Qty Available: 1

$60.00
Set (2)



TITANIUM INTAKE RETAINER

TITANIUM INTAKE RETAINERS HONDA CRF 450R 2002-06

(30-30641)
Qty Available: 2

$60.00
Set (2)



Valve Spring Kit With Titanium Retainers (RD)



(VC-H47)
Qty Available: 2

$211.50
Set (4)