Honda CRF 450 R (2008) SOHC 4v


** Prices And Specifications Effective December 2016, 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.

We use PayPal for payment processing so you know your transaction is safe and secure.

You do NOT need a PayPal account to shop with us, you can use your credit card.
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

PART
NUMBERS

OPTIONS QTY PURCHASE

.355/.342

282°/298°

258°/262°

943/921

 

Regrind

N/A

Bolt in profile increases overall performance throughout RPM range.

Hardweld

N/A

New Cam

57-372

$405.00

.400/.342

282°/288°

256°/252°

961/962

 

Regrind

N/A

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

Hardweld

N/A

New Cam

57-492

$405.00

.408/.342

282°/298°

258°/262°

208/921

 

Regrind

N/A

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.

Hardweld

N/A

New Cam

57-502

$405.00

.415/.342

276°/288°

252°/252°

493/729

 

Regrind

N/A

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.

Hardweld

N/A

New Cam

57-592

$405.00

.415/.342

276°/300°

252°/262°

493/921

 

Regrind

N/A

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.

Hardweld

N/A

New Cam

59-542

$405.00

Please Call Us At 951/369-5144 To Order 59-542

.415/.410

276°/276°

252°/248°

493/739

 

Regrind

N/A

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

Hardweld

N/A

New Cam

57-542

$405.00

.418/.342

284°/298°

261°/262°

242/921

 

Regrind

N/A

Race profile designed for extreme acceleration with added mid and upper end performance. Requires Exhaust System, High Compression Piston, Larger Diameter Followers, Shortened Valve Guides, and Performance Valve Spring Kit. Check ALL clearances!

Hardweld

N/A

New Cam

57-802

$405.00

Other Products:

Buckets, Shim Under

Web Cam Racing Cams Inc. Product Photo

CF-C37

$40.00

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

Buckets, Shim Under WPC Coated

Web Cam Racing Cams Inc. Product Photo

CF-H02

$85.00

28 mm shim under-style buckets. Check to make sure thrust on cam does not interfere with oversized tappet, if it does you will need to modify thrust surface on cam for proper fit. Check ALL clearances! Price (Each).

Buckets, Shim Under

Web Cam Racing Cams Inc. Product Photo

CF-H01

$62.00

28 mm shim under-style buckets. Check to make sure thrust on cam does not interfere with oversized tappet, if it does you will need to modify thrust surface on cam for proper fit. Check ALL clearances! Price (Each).

Buckets, Shim Under

Web Cam Racing Cams Inc. Product Photo

CF-C41

$40.00

28 mm x 20 mm x 3.0 mm shim under-style buckets. Check to make sure thrust on cam does not interfere with oversized tappet, if it does you will need to modify thrust surface on cam for proper fit. Check ALL clearances! Price (Each). Price (Each).

Valve Spring Kit With Aluminum Retainers

 

VC-H72

$296.00

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)

Web Cam Racing Cams Inc. Product Photo

VC-H97

$385.00

Kit includes performance single 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

Web Cam Racing Cams Inc. Product Photo

VC-H74

$195.00

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

Web Cam Racing Cams Inc. Product Photo

VC-H46

$280.00

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

Web Cam Racing Cams Inc. Product Photo

VC-H15

$405.00

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

Web Cam Racing Cams Inc. Product Photo

IV-H35

$38.00

Standard size 36 mm, +1 mm OS for the 450 X (05-16). Price (Each).

Valves, Stainless (Kibblewhite) Intake Size

Web Cam Racing Cams Inc. Product Photo

IV-H15

$30.00

Standard size 36 mm, +1 mm OS for the 450 X (05-16). Price (Each).

Valves, Stainless (Ferrea) Intake Oversized

Web Cam Racing Cams Inc. Product Photo

IV-H36

$38.00

Oversized +1 mm to 37 mm, +2 mm OS for the 450 X (05-16). Price (Each).

Valves, Stainless (Kibblewhite) Intake Oversized

Web Cam Racing Cams Inc. Product Photo

IV-H16

$30.00

Oversized +1 mm to 37 mm, +2 mm OS for the 450 X (05-16). Price (Each).

Valves, Stainless (Kibblewhite) Intake Oversized

Web Cam Racing Cams Inc. Product Photo

IV-H19

$50.00

Oversized +2 mm to 38 mm, +3 mm OS for the 450 X (05-09). Price (Each).

Valves, Stainless (Kibblewhite) Exhaust Standard Size

Web Cam Racing Cams Inc. Product Photo

EV-H07

$30.00

Standard size 30 mm. Price (Each).

Valves, Stainless (Ferrea) Exhaust Size

Web Cam Racing Cams Inc. Product Photo

EV-H39

$38.00

Standard Size 31 mm for CRF 450 R (02-06), +1 mm oversize for CRF 450 R (07-08), CRF 450 X (05-15), TRX 450 ER (06-14), TRX 450 R (06-09). Price (Each).

Valves, Stainless (Kibblewhite) Exhaust Size

Web Cam Racing Cams Inc. Product Photo

EV-H15

$30.00

Standard Size 31 mm for CRF 450 R (02-06), +1 mm oversize for CRF 450 R (07-08), CRF 450 X (05-15), TRX 450 ER (06-14), TRX 450 R (06-09). Price (Each).

Valves, Stainless (Ferrea) Exhaust Oversized

Web Cam Racing Cams Inc. Product Photo

EV-H40

$38.00

Oversized +1 mm to 32 mm for CRF 450 R (02-06), +2 mm oversize for CRF 450 R (07-08), CRF 450 X (05-15), TRX 450 ER (06-14), TRX 450 R (06-09). Price (Each).

Valves, Stainless (Kibblewhite) Exhaust Oversized

Web Cam Racing Cams Inc. Product Photo

EV-H16

$30.00

Oversized +1 mm to 32 mm for CRF 450 R (02-06), +2 mm oversize for CRF 450 R (07-08), CRF 450 X (05-15), TRX 450 ER (06-14), TRX 450 R (06-09). Price (Each).

Valve Guide, Shortened .120" Intake Standard Size

Web Cam Racing Cams Inc. Product Photo

VG-H07-I

$15.75

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

Web Cam Racing Cams Inc. Product Photo

VG-H07-E

$15.75

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 High Temp Intake

 

VS-H00

$7.00

Replacement valve guide seals. Price (Each).

Chain Tensioner, Manual

 

CT-H08

$65.00

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

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).

Installation Information:

General Installation Information

Congratulations

Degreeing In Your Camshaft

General Valve Spring Information

Valve Spring Installed Height Information



Last update: December 2 2016