Application/
Camshafts |
RPM
Oper.
Range |
Camshaft
Part # |
Duration |
Valve Lift
w/1.5 rocker |
Lobe
Sep.
Angle |
K-Kit |
SK-Kit |
CL-Kit |
|
advertised |
@ .050" |
|
IN. |
EX. |
IN. |
EX. |
IN. |
EX. |
| Smallest of the
line good for towing, excellent mileage, smooth idle. |
600
to
4600 |
12-407-8
$249 |
252 |
258 |
200 |
206 |
.472 |
.480 |
110° |
K12-407-8
$805 |
SK12-407-8
$665 |
CL12-407-8
$645 |
| Strong torque,
good mileage, stock to mildly modified combinations. |
1000
to
5000 |
12-408-8
$249 |
258 |
264 |
206 |
212 |
.480 |
.487 |
110° |
K12-408-8
$805 |
SK12-408-8
$665 |
CL12-408-8
$645 |
| Mild
performance applications, very good mild-range, 3.23-3.73 gears. |
1200
to
5200 |
12-412-8
$249 |
264 |
270 |
212 |
218 |
.487 |
.495 |
110° |
K12-412-8
$849 |
SK12-412-8
$665 |
CL12-412-8
$645 |
| High
performance application, largest with stock converter, noticeable
idle. |
1600
to
5400 |
12-422-8
$249 |
270 |
276 |
218 |
224 |
.495 |
.502 |
110° |
K12-422-8
$849 |
SK12-422-8
$665 |
CL12-422-8
$645 |
| High
performance Street machines, 2000+ stall, gears, choppy idle. |
1900
to
5600 |
12-423-8
$249 |
276 |
282 |
224 |
230 |
.502 |
.510 |
110° |
K12-423-8
$849 |
SK12-423-8
$665 |
CL12-423-8
$645 |
| Great for
street machines, needs intake, headers, 2000 stall, and gears. |
2200
to
5800 |
12-432-8
$249 |
282 |
288 |
230 |
236 |
.510 |
.520 |
110° |
K12-432-8
$849 |
SK12-432-8
$665 |
CL12-432-8
$645 |
| Street/Strip
apps, 9:1 CR, intake, headers, 3000 stall, gears. |
2500
to
6000 |
12-433-8
$249 |
288 |
294 |
236 |
242 |
.520 |
.540 |
110° |
K12-433-8
$849 |
SK12-433-8
$665 |
CL12-433-8
$645 |
| Street/Strip
apps, 9.5:1 CR, intake, headers, 3000+ stall, gears. |
2800
to
6100 |
12-443-8
$249 |
294 |
300 |
242 |
248 |
.540 |
.562 |
110° |
K12-443-8
$849 |
SK12-443-8
$665 |
CL12-443-8
$645 |
| Pro
street/bracket racing, 10:1 CR, 3500+ stall, good intake, headers. |
3200
to
6200 |
12-444-8
$249 |
300 |
306 |
248 |
254 |
.562 |
.580 |
110° |
K12-444-8
$849 |
SK12-444-8
$665 |
CL12-444-8
$645 |
|