| Model |
Part # |
Lift |
Duration
at .040" |
Lobe
Centers |
Tappet
Style |
Description & Application |
In. Open/Close
Ex. Open/Close |
Running
Clearance |
Price |
|
750/
850
Twins
also
500
Atlas
& 650 |
New billet cam, no core needed. |
| 560-N-R |
.350"
.350" |
280°
280° |
104°
104° |
flat |
Best all around for 750cc. Strong
low and mid-range. Good torque.
.139" lift at overlap in. & ex. |
36 btc/64 abc
64 bbc/36 atc |
.013"
.013" |
342.00 |
|
| 560-00 |
.395"
.395" |
277°
277° |
104.5°
104.5° |
3"
radius |
Best all around road/road-race.
Strong mid, increased top. Wide
smooth power band. OK with stock
pistons in 850 Commando. Check all
others. Must use #901-N spring kit. |
34 btc/63 abc
63 bbc/34 atc |
.010"
.010" |
342.00 |
|
560-20
"SSS" |
.400"
.355" |
283°
275° |
103.5°
106.5° |
3"
radius |
Updated SSS profile to be used
with rediused tappets. Use
racing pistons and springs. |
38 btc/65 abc
64 bbc/31 atc |
.008"
.010" |
342.00 |
|
| 560-SS |
.390"
.335" |
276°
272° |
104°
104° |
flat |
Reproduction of factory SS profile.
Use modified pistons and springs. |
34 btc/62 abc
60 bbc/32 atc |
.006"
.008" |
342.00 |
|
| 560-NSS |
.359"
.359" |
284°
284° |
104°
104° |
flat |
Norris SS profile. Added top-end.
Especially good in 850 & larger
motors. Springs recommended. |
38 btc/66 abc
66 bbc/38 atc |
.008"
.010" |
342.00 |
|
| 560-D+ |
.405"
.405" |
296°
296° |
105°
105° |
flat |
Norris fuel/drag competition cam.
Racing springs and pistons
required. Race only. |
36 btc/64 abc
64 bbc/36 atc |
.013"
.013" |
342.00 |
|
| 560-N480 |
.436"
.436" |
312°
312° |
106°
106° |
|
Full race for top-end power. Must
use racing pistons and springs.
Norris 480 reproduction. Special
BSA A-65 follower. |
50 btc/82 abc
82 bbc/50 atc |
|
342.00 |
|
| 560-x10 |
.328"
.328" |
260°
260° |
106°
106° |
flat |
Reproduction of stock Atlas
profile. |
24 btc/56 abc
56 bbc/24 atc |
.008"
.010" |
342.00 |
|
| Stock |
.330" |
268° |
|
850 Commando for reference. |
|
| 901-N R/D |
valve spring kit with titanium tops. |
179.50 |
|
| 560-TA |
Re-radius cam followers (3" radius) on customer cores, cost each. (When flat follower is
specified,it is ok to use the 3" radiused follower, however when 3" radiused follower is
specified, only radiused follower can be used. |
23.00 |
call |
| 560-FLAT |
Flat tappets, resurface flat on customer cores, cost each. |
25.00 |
call |
Quick change bearing kit, includes: 1 aluminum bearing housing, 1 torrington B-1416
roller bearing, 2 special allen head bolts & installation instruction sheet. |
66.00 |
|
| MANX |
Hardfaced on customer cores per pair. |
| 589-x1 |
.545"
.465" |
296°
269° |
|
|
Road-race profile
TDC lift IN = .282", EX = .170" |
43 btc/73 abc
58 bbc/31 atc |
.014"
.020" |
299.00 |
|
