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. |
|
High Energy |
| Excellent torque and
mileage for 361, 383-400 2 or 4 BBL. Smooth idle. Light towing, 9:1
comp, OEM replacement. 625 CFM carb. |
800
to
4800 |
21-212-4
$130** |
252 |
252 |
206 |
206 |
.425 |
.425 |
110° |
K21-212-4
$369 |
SK21-212-4
$230 |
CL21-212-4
$199 |
| OEM replacement for
413, 440 9:1 comp. Smooth idle. Good for towing, use 625 CFM carb &
dual plane manifold. |
1000
to
5000 |
21-213-4
$130** |
260 |
260 |
212 |
212 |
.440 |
.440 |
110° |
K21-213-4
$369 |
SK21-213-4
$230* |
CL21-213-4
$199* |
| Great replacement for
383 Magnum with 650-750 CFM carb, dual plane manifold, etc. Smooth
idle440, super torque. |
1200
to
5200 |
21-215-4
$130** |
268 |
268 |
218 |
218 |
.454 |
.454 |
110° |
K21-215-4
$369 |
SK21-215-4
$230* |
CL21-215-4
$199* |
|
Magnum |
| Great replacement for
440 with 700-800 CFM or Six Pack. Noticeable idle in 383. Slight
idle in 440. Largest cam with stock converter. |
1800
to
5500 |
21-306-4
$130** |
270 |
270 |
224 |
224 |
.470 |
.470 |
110° |
K21-306-4
$410 |
SK21-306-4
$239* |
CL21-306-4
$199* |
| For 9:1 and 10:1 comp
383 needs 2500 stall. 440 needs 2000 stall. Use 700-800 CFM carb
headers 3.91+ gear. |
2500
to
5800 |
21-237-4
$130** |
280 |
280 |
230 |
230 |
.480 |
.480 |
110° |
K21-237-4
$410 |
SK21-237-4
$239* |
CL21-237-4
$199* |
| Serious street/strip
effort, 383 needs 3000-35000 stall. 440 needs 2500-3000. 750-850 CFM
carb & headers. 3.91 gear up. |
3000
to
6200 |
21-242-4
$130** |
292 |
292 |
244 |
244 |
.501 |
.501 |
110° |
K21-242-4
$440 |
SK21-242-4
$239* |
CL21-242-4
$199* |
| Pro street. 383 needs
3500-3700 stall. 440 needs 3000-3300 stall. 850 CFM carb 10:1 up.
Headers & good int. 3.90-4.30 gear. |
3500
to
6500 |
21-243-4
$130** |
305 |
305 |
253 |
253 |
.525 |
.525 |
110° |
K21-243-4
$440 |
SK21-243-4
$239* |
CL21-243-4
$199* |
|
Xtreme Energy |
| Very strong torque,
excellent mileage, smooth idle. |
60
to
4800 |
21-220-4
$130** |
250 |
260 |
206 |
212 |
.432 |
.444 |
110° |
K21-220-4
$369 |
SK21-220-4
$230* |
CL21-220-4
$199* |
| Strong torque through
low end and mid range good idle. |
1000
to
5200 |
21-221-4
$130** |
256 |
268 |
212 |
218 |
.447 |
.455 |
110° |
K21-221-4
$369 |
SK21-221-4
$230* |
CL21-221-4
$199* |
| Excellent response,
good mileage, stock converter 3.23 gear. |
1300
to
5600 |
21-222-4
$130** |
262 |
270 |
218 |
224 |
.462 |
.470 |
110° |
K21-222-4
$415 |
SK21-222-4
$239* |
CL21-222-4
$199* |
| Great for street
machines slightly rough idle works with stock converter. |
1600
to
5800 |
21-223-4
$130** |
268 |
280 |
224 |
230 |
.477 |
.480 |
110° |
K21-223-4
$415 |
SK21-223-4
$239* |
CL21-223-4
$199* |
| High performance
street. Very strong mid range, with headers 2200+ stall. |
1800
to
6000 |
21-224-4
$130** |
274 |
286 |
230 |
236 |
.488 |
.491 |
110° |
K21-224-4
$415 |
SK21-224-4
$239* |
CL21-224-4
$199* |
| Street/strip, needs
2800+ stall, 9:1 comp, rough idle. |
2300
to
6500 |
21-225-4
$130** |
284 |
296 |
240 |
246 |
.507 |
.510 |
110° |
K21-225-4
$415 |
SK21-225-4
$239* |
CL21-225-4
$199* |
| Pro street/bracket,
good intake, headers, gear, 3200+ stall. |
2800
to
6800 |
21-226-4
$130** |
294 |
306 |
250 |
256 |
.519 |
.524 |
110° |
K21-226-4
$445 |
SK21-226-4
$239* |
CL21-226-4
$199* |
|
Xtreme Energy HI-Lift |
| Best all around street
performance cam 9:1 compression with 2500 stall. Extra lift for
upper RPM power. |
2000
to
5800 |
21-227-4
$130** |
275 |
287 |
231 |
237 |
.525 |
.525 |
110° |
K21-227-4
$445 |
SK21-227-4
$239* |
CL21-227-4
$199* |
| Hot street cam 10:1
compression lower gears headers and 3000 stall strong mid range with
a rough idle. |
2500
to
6200 |
21-228-4
$130** |
285 |
297 |
241 |
247 |
.545 |
.545 |
110° |
K21-228-4
$445 |
SK21-228-4
$239* |
CL21-228-4
$199* |
| Serious street and
bracket race cam 10:1 comp lower gears, headers and 3500 stall. |
3000
to
6500 |
21-229-4
$130** |
295 |
307 |
251 |
257 |
.564 |
.564 |
110° |
K21-229-4
$445 |
SK21-229-4
$239* |
CL21-229-4
$199* |
|
Dual Energy |
| Good torque and
mileage, good RV and towing cam. |
1000
to
5000 |
21-402-4
$130** |
255 |
275 |
205 |
219 |
.422 |
.462 |
110° |
K21-402-4
$415 |
SK21-402-4
$239* |
CL21-402-4
$199* |
| Very strong mid range
and torque, mild performance cam. |
1500
to
5250 |
21-404-4
$130** |
265 |
277 |
214 |
229 |
.442 |
.482 |
110° |
K21-404-4
$415 |
SK21-404-4
$239* |
CL21-404-4
$199* |
| High performance
street, good mid range and high end, choppy idle. |
1800
to
5500 |
21-406-4
$130** |
275 |
284 |
219 |
235 |
.462 |
.482 |
110° |
K21-406-4
$415 |
SK21-406-4
$239* |
CL21-406-4
$199* |
|
Nostalgia Plus |
| 2500 stall with 9.5:1
comp. Strong mid range with early muscle car sound. |
2000
to
6000 |
21-670-4
$130** |
280 |
287 |
233 |
240 |
.474 |
.474 |
110° |
K21-670-4
$415 |
N/A |
CL21-670-4
$199* |
| Strong mid range with a
lopey idle 2800+ stall with 9.5:1 comp replaces the popular 484 cam. |
2300
to
6300 |
21-671-4
$130** |
284 |
291 |
239 |
246 |
.484 |
.484 |
108° |
K21-671-4
$415 |
N/A |
CL21-671-4
$199* |
| String bracket/street
cam. 10:1 comp, 3500 stall. Excellent replacement for the "509" cam. |
3000
to
6500 |
21-672-4
$130** |
292 |
299 |
247 |
254 |
.509 |
.509 |
108° |
K21-672-4
$445 |
N/A |
CL21-672-4
$199* |
|
Magnum Muscle |
Factory ID
#2899206 for:
383 cu.in.
1968-70
Factory 335HP
----------------
383 cu.in.
1971
Factory 300HP
----------------
440 cu.in.
1967-70
Factory 375-390
----------------
440 cu.in.
1971
Factory 375-390 |
1600
to
5600 |
21-305-4
$130** |
268 |
276 |
222 |
226 |
.464 |
.464 |
110° |
N/A |
N/A |
N/A |