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.

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Camshaft Profiles:

.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.

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.

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.

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.

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.

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!

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!

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!

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.

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:

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Last update: March 11 2010

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