Phone 360 985-0445, E-mail Keith@Johnsoncams.com


Norton

we regret to inform you that we are unable to accept orders for

camshafts or cylinder head services until further notice

Due to a heavy backlog of existing orders

also please note that we are, like most businesse not open for business on weekends or holidays.

our business hours are 9AM to 5PM Pacific Standard Time

we will be glad to let you know when we are again accepting orders

please send an e-mail with your request to be put on our wait list

including what camshaft or service you wish to order

thanks for your interest11 

December 2007

 

 


Norton_cam.jpg (19897 bytes)

Norton Standard Cam
Stock cam for Norton Atlas and Commando, 750's and 850's.
$325.00 Lift LCA Lash Tappet Duration Open Close At
Intake .327 102° .006 Flat 281°
258°
38°btdc
27°btdc
63°abdc
51°abdc
.020
.040
Exhaust .327 110° .008 Flat 281°
258°
70°bbdc
58°bbdc
31°atdc
20°atdc
.020
.040

Cam Chart Definitions   Home Page   FAQ'S   Cylinder Head Services


Norton 2-S Cam
2-S factory Combat cam.
$325.00 Lift LCA Lash Tappet Duration Open Close At
Intake .384 105° .008 Flat 286°
269°
39°btdc
30°btdc
67°abdc
59°abdc
.020
.040
Exhaust .350 105° .010 Flat 301°
277°
76°bbdc
64°bbdc
45°atdc
33°atdc
.020
.040

Cam Chart Definitions   Home Page   FAQ'S   Cylinder Head Services


Norton 4-S Cam
4-S factory Combat cam.
$325.00 Lift LCA Lash Tappet Duration Open Close At
Intake .396 105° .008 Flat 303°
278°
46.5°btdc
34°btdc
76.5°abdc
64°abdc
.020
.040
Exhaust .350 105° .010 Flat 301°
277°
76°bbdc
64°bbdc
45°atdc
33°atdc
.020
.040

Cam Chart Definitions   Home Page   FAQ'S   Cylinder Head Services


Johnson J360/264 Cam
Johnson design for 1/2 mile and  mile flat track or road racing in 500 twins, also good for short track TT and hot street 750s.
$325.00 Lift LCA Lash Tappet Duration Open Close At
Intake .360 102° .008 Flat 295°
272°
45°btdc
33°btdc
70°abdc
59°abdc
.020
.040
Exhaust .360 110° .008 Flat 295°
272°
78°bbdc
63°bbdc
37°atdc
29°atdc
.020
.040

Cam Chart Definitions   Home Page   FAQ'S   Cylinder Head Services


Johnson J380/262 Cam
Johnson designed. A smoother version of the PW3, good for flat track and road racing in 750s.
$325.00 Lift LCA Lash Tappet Duration Open Close At
Intake .380 102° .008 Flat 294°
270°
44°btdc
33°btdc
70°abdc
57°abdc
.020
.040
Exhaust .380 110° .008 Flat 294°
270°
76°bbdc
64°bbdc
38°atdc
25°atdc
.020
.040

Cam Chart Definitions   Home Page   FAQ'S   Cylinder Head Services


Norton Norris SS Cam
The Norris SS cam is good for top end power, not a Norton strong point. Magnaflux crank, use fresh rods
$325.00 Lift LCA Lash Tappet Duration Open Close At
Intake .359 105° .008 Flat 307°
280°
49°btdc
36°btdc
78°abdc
64°abdc
.020
.040
Exhaust .359 104° .010 Flat 307°
280°
78°bbdc
64°bbdc
49°atdc
36°atdc
.020
.040

Cam Chart Definitions   Home Page   FAQ'S   Cylinder Head Services