Honda CRF 450 X (05-07) SOHC 4v
** Prices And Specifications Effective March 2010, 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
.400/.360
268°/280°
242°/245°
1043/1044
Regrind
N/A
Excellent torque profile to increase overall performance, also works excellent for short track super motard / supercross applications. Requires Performance Valve Spring Kit.
VC-H97 / $250.00 / Valve Spring Kit With Titanium Retainers
VC-H97 / $250.00 / Valve Spring Kit With Titanium Retainers
Hardweld
N/A
New Cam
57-602
$315.00
.400/.323
264°/280°
238°/244°
570/993
Regrind
N/A
Performance profile designed to increase overall performance. Excellent throttle response. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit.
VC-H97 / $250.00 / Valve Spring Kit With Titanium Retainers
VC-H97 / $250.00 / Valve Spring Kit With Titanium Retainers
Hardweld
N/A
New Cam
57-512
$315.00
.400/.350
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.
VC-H97 / $250.00 / Valve Spring Kit With Titanium Retainers
VC-H97 / $250.00 / Valve Spring Kit With Titanium Retainers
Hardweld
N/A
New Cam
57-442
$315.00
.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.
VC-H97 / $250.00 / Valve Spring Kit With Titanium RetainersVG-H07-E / $15.75 / Valve Guide, ShortenedVG-H07-I / $15.75 / Valve Guide, Shortened
VC-H97 / $250.00 / Valve Spring Kit With Titanium RetainersVG-H07-E / $15.75 / Valve Guide, ShortenedVG-H07-I / $15.75 / Valve Guide, Shortened
Hardweld
N/A
New Cam
55-462
$315.00
.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.
VC-H97 / $250.00 / Valve Spring Kit With Titanium RetainersVG-H07-E / $15.75 / Valve Guide, ShortenedVG-H07-I / $15.75 / Valve Guide, Shortened
VC-H97 / $250.00 / Valve Spring Kit With Titanium RetainersVG-H07-E / $15.75 / Valve Guide, ShortenedVG-H07-I / $15.75 / Valve Guide, Shortened
Hardweld
N/A
New Cam
57-042
$315.00
.415/.410
276°/276°
252°/248°
493/739
Regrind
N/A
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!
VC-H97 / $250.00 / Valve Spring Kit With Titanium RetainersVG-H07-E / $15.75 / Valve Guide, ShortenedVG-H07-I / $15.75 / Valve Guide, Shortened
VC-H97 / $250.00 / Valve Spring Kit With Titanium RetainersVG-H07-E / $15.75 / Valve Guide, ShortenedVG-H07-I / $15.75 / Valve Guide, Shortened
Hardweld
N/A
New Cam
55-442
$315.00
.418/.342
284°/298°
261°/262°
242/921
Regrind
N/A
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!
VC-H97 / $250.00 / Valve Spring Kit With Titanium RetainersVG-H07-E / $15.75 / Valve Guide, ShortenedVG-H07-I / $15.75 / Valve Guide, Shortened
VC-H97 / $250.00 / Valve Spring Kit With Titanium RetainersVG-H07-E / $15.75 / Valve Guide, ShortenedVG-H07-I / $15.75 / Valve Guide, Shortened
Hardweld
N/A
New Cam
57-192
$315.00
.432/.350
292°/294°
260°/260°
415/416
Regrind
N/A
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!
VC-H97 / $250.00 / Valve Spring Kit With Titanium RetainersVG-H07-E / $15.75 / Valve Guide, ShortenedVG-H07-I / $15.75 / Valve Guide, Shortened
VC-H97 / $250.00 / Valve Spring Kit With Titanium RetainersVG-H07-E / $15.75 / Valve Guide, ShortenedVG-H07-I / $15.75 / Valve Guide, Shortened
Hardweld
N/A
New Cam
57-072
$315.00
Other Products:
Buckets, Shim Under Intake Oversized WPC Coated
CF-H02
$160.00
Recommend to use for extreme racing conditions. Oversized to 28 mm shim under intake tappets. Machining required. Price Per Set (2).
Buckets, Shim Under Intake Oversized
CF-H01
$125.00
Oversized to 28 mm shim under intake tappets. Fits all models TRX / CRF 450 engines. Price Per Set (2).
Valve Spring Kit With Titanium Retainers (High Rev)
VC-H97
$250.00
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.
Valve Spring Kit With Titanium Retainers
VC-H11
$195.00
Kit includes performance dual springs and Titanium retainers. Recommend to use with stainless valves. OK up to 0.440" valve lift.
EV-H16 / $34.00 / Valves, StainlessIV-H15 / $34.00 / Valves, Stainless
EV-H16 / $34.00 / Valves, StainlessIV-H15 / $34.00 / Valves, Stainless
Valves, Stainless Exhaust Standard Size
EV-H07
$35.00
Fits Standard CRF 450 R (07-08), Standard CRF 450 X (05-07), Standard TRX 450 R / ER (06-08). Price (Each).
Valves, Stainless Exhaust Size
EV-H15
$34.00
Size 31 mm. Price (Each).
Valves, Stainless Exhaust Oversized
EV-H16
$34.00
Oversized to 32 mm. Price (Each).
Valves, Stainless Intake Size
IV-H15
$34.00
Size 36 mm. Price (Each).
Installation Information:
LINK
Degreeing In Your Camshaft
PDF
JPG
General Valve Spring Information
PDF
JPG
Valve Spring Installed Height Information