Honda CRF 450 X (05-07) SOHC 4v
** Prices And Specifications Effective May 2012, 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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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.
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Camshaft Profiles: |
VALVE LIFT |
DURATION |
DURATION @ 0.050" |
GRIND NUMBER |
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PART NUMBERS |
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.400/.323 |
264°/280° |
238°/244° |
570/993 |
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Regrind
N/A
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Performance profile designed to increase overall performance. Excellent throttle response. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit. |
Hardweld
N/A
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New Cam
57-512
$341.00 |
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.400/.360 |
268°/280° |
242°/245° |
1043/1044 |
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Regrind
N/A
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Excellent torque profile to increase overall performance, also works excellent for short track super motard / supercross applications. Requires Performance Valve Spring Kit. |
Hardweld
N/A
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New Cam
57-602
$341.00 |
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.400/.350 |
282°/288° |
256°/252° |
961/962 |
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Regrind
N/A
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Performance profile designed to increase mid and upper end. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit. |
Hardweld
N/A
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New Cam
57-442
$341.00 |
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.415/.342 |
276°/288° |
252°/252° |
493/729 |
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Regrind
N/A
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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
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New Cam
55-462
$341.00 |
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.408/.342 |
282°/298° |
258°/262° |
208/921 |
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Regrind
N/A
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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
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New Cam
57-042
$341.00 |
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.415/.410 |
276°/276° |
252°/248° |
493/739 |
 |
Regrind
N/A
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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! |
Hardweld
N/A
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New Cam
55-442
$341.00 |
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.418/.342 |
284°/298° |
261°/262° |
242/921 |
 |
Regrind
N/A
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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! |
Hardweld
N/A
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New Cam
57-192
$341.00 |
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.432/.350 |
292°/294° |
260°/255° |
415/416 |
 |
Regrind
N/A
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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! |
Hardweld
N/A
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New Cam
57-072
$341.00 |
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Other Products: |
Buckets, Shim Under Intake Oversized |
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CF-H01
$125.00 |
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Oversized to 28 mm shim under intake tappets. Machining required. Fits all models TRX / CRF 450 engines. 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 Per Set (2). |
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Buckets, Shim Under Intake Oversized WPC Coated |
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CF-H02
$165.00 |
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Recommend to use for extreme racing conditions. WPC Coated Oversized to 28 mm shim under intake tappets. Machining required. 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. Fits all models TRX / CRF 450 engines. Check ALL clearances! Price Per Set (2). |
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Chain Tensioner, Manual |
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CT-H04
$58.00 |
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CNC machined from billet alloy to exact tolerances for perfect fit. |
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Valve Spring Kit With Titanium Retainers |
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VC-H74
$195.00 |
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Kit includes performance dual springs and Titanium retainers. OK up to 0.440" valve lift. Check ALL clearances! Price Per Set (4). |
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Valve Spring Kit With Titanium Retainers (High Rev) |
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VC-H97
$250.00 |
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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. Price Per Set (4). |
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Valves, Stainless Intake Standard Size |
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IV-H32
$36.00 |
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Standard size 35 mm. Fits 450 X (05-09). Price (Each). |
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Valves, Stainless Intake Size |
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IV-H15
$36.00 |
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Standard size 36 mm, +1 mm OS for the 450 X (05-09). Price (Each). |
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Valves, Stainless Intake Oversized |
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IV-H19
$50.00 |
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Oversized +2 mm to 38 mm, +3 mm OS for the 450 X (05-09). Price (Each). |
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Valves, Stainless Intake Oversized |
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IV-H16
$36.00 |
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Oversized +1 mm to 37 mm, +2 mm OS for the 450 X (05-09). Price (Each). |
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Valves, Stainless Exhaust Standard Size |
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EV-H07
$36.00 |
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Standard size 30 mm. Price (Each). |
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Valves, Stainless Exhaust Size |
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EV-H15
$36.00 |
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Standard Size 31 mm for CRF 450 R (02-06), +1 mm oversize for CRF 450 R (07-08), CRF 450 X (05-09), TRX 450 ER (06-09), TRX 450 R (06-09). Price (Each). |
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Valves, Stainless Exhaust Oversized |
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EV-H16
$36.00 |
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Oversized +1 mm to 32 mm for CRF 450 R (02-06), +2 mm oversize for CRF 450 R (07-08), CRF 450 X (05-09), TRX 450 ER (06-09), TRX 450 R (06-09). Price (Each). |
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PRO Billet Cam Carrier, with 31mm Tappets |
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BC-000
$375.00 |
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Our new PRO Series CNC machined billet cam carrier, includes two 31 mm intake tappets. Note: Must be used with our special longer cam billet. Custom grinding available. Fits up to a .500 valve lift profile. Check ALL clearances! |
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Installation Information: |
LINK |
Degreeing In Your Camshaft |
PDF |
JPG |
General Valve Spring Information |
PDF |
JPG |
Valve Spring Installed Height Information |
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