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Yamaha YZ 450 F (10-13) DOHC 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 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


.395/.360


266°/274°


242°/252°

483/933


Performance profile to increase overall power. Requires Performance Valve Spring Kit, Shortened Valve Guides, and Exhaust System. Check ALL clearances! Price Per Set (2).


Regrind

N/A

Hardweld

N/A

New Cam

81-422

$783.00

Qty:


.415/.355


276°/282°


252°/258°

493/943


Increases mid and upper end performance. Works well in motorcross / flat track applications. Requires Performance Valve Spring Kit, Shortened Valve Guides, High Compression Piston, and Exhaust System. Check ALL clearances! Price Per Set (2).


Regrind

N/A

Hardweld

N/A

New Cam

81-432

$783.00

Qty:


.415/.360


268°/266°


243°/242°

45/297


High lift short duration profile to increase throttle response. Works great for torque applications. Requires Performance Valve Spring Kit, Shortened Valve Guides, High Compression Piston, and Exhaust System. Check ALL clearances! Price Per Set (2).


Regrind

N/A

Hardweld

N/A

New Cam

81-412

$783.00

Qty:


.415/.363


276°/286°


252°/263°

493/216


Mid and top end racing profile. Requires Performance Valve Spring Kit, Shortened Valve Guides, Exhaust System, and High Compression Piston. Check ALL clearances! Price Per Set (2).


Regrind

N/A

Hardweld

N/A

New Cam

81-442

$783.00

Qty:

Other Products:

Buckets, Shim Under (Supertech)

CF-C39

$40.00

Qty:


26.5 mm x 19 mm x 2.7 mm Price (Each).


Chain Tensioner, Manual PRO Series

CT-Y05

$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. Price (Each).


Valve Spring Kit Titanium Retainers/Keepers

VC-Y15

$385.00

Qty:


Kit includes Single Performance Valve Springs, Titanium Retainers, and Keepers. Stock bottoms OK. Price Per Set (4).


Valve Spring Kit With Titanium Retainers

VC-Y83

$195.00

Qty:


Performance dual valve springs, titanium retainers and hardened bottoms. OK to .450 valve lift. Price Per Set (4).


Valves, Stainless (Kibblewhite) Intake Standard Size

IV-Y25

$30.00

Qty:


Standard size 36 mm. Price (Each).


Valves, Stainless (Kibblewhite) Intake Oversized +1 mm

IV-Y26

$30.00

Qty:


Oversized to 37 mm. Price (Each).


Valves, Stainless (Kibblewhite) Exhaust Standard Size

EV-Y25

$30.00

Qty:


Standard size 30 mm. Price (Each).


Valves, Stainless (Kibblewhite) Exhaust Oversized +1 mm

EV-Y26

$30.00

Qty:


Oversized to 31 mm. Price (Each).


Valve Guide, Shortened .070" Intake Standard Size

VG-Y04-I

$16.00

Qty:


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


Valve Guide, Shortened .100" Exhaust Standard Size

VG-Y04-E

$16.00

Qty:


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


Cam Gear, Adjustable With Adaptors

CG-Y45

$210.00

Qty:


Use with all WEB CAM profiles for precise engine tuning. Kit includes adjustable sprockets, adapters, cam bolts. Price Per Set (2).


Clearance Items:


Billet cam Grind# 536 EXHUST ONLY!

(pn-64705-e)
Qty Available: 1

$314.50
(Each)



Billet Camshaft #208/549 RETARD IN 1° INTAKE ONLY!

(PN-64918)
Qty Available: 1

$234.90
(Each)