Norton 850 Twin 4v


** Prices And Specifications Effective November 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

PART
NUMBERS

OPTIONS QTY PURCHASE

.388/.388

290°/290°

250°/250°

312

Web Cam Racing Cams Inc. Product Photo

Regrind

N/A

Bolt in performance cam for street / touring.

Hardweld

51-001

$427.00

Please Call Us At 951/369-5144 To Order 51-001

New Cam

N/A

.390/.390

310°/310°

270°/270°

312a

Web Cam Racing Cams Inc. Product Photo

Regrind

N/A

Strong mid and upper end performance for hot street. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit.

Hardweld

51-011

$427.00

Please Call Us At 951/369-5144 To Order 51-011

New Cam

N/A

.438/.406

310°/310°

272°/270°

86c/312c

Web Cam Racing Cams Inc. Product Photo

Regrind

N/A

High lift cam originally designed for the Combat Commando. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit. Check ALL clearances!

Hardweld

51-021

$427.00

Please Call Us At 951/369-5144 To Order 51-021

New Cam

N/A

Other Products:

Valve Spring Kit With Aluminum Retainers

Web Cam Racing Cams Inc. Product Photo

VC-N01

$150.00

Kit includes performance dual springs and Aluminum retainers (7075-T6 HA). OK to .500" valve lift.

Valve Spring Kit With Titanium Retainers

 

VC-N02

$225.00

Kit includes performance dual springs , Titanium retainers, and bottom cups. OK to .450" valve lift.

Installation Information:

General Information

Congratulations

Degreeing In Your Camshaft

General Valve Spring Information

Valve Spring Installed Height Information

Web Cam Full Catalog

Vehicle Specific Information

Norton 850 Twin 4v Parts List.

Last update: November 21 2017