"A" Engine Mechanical Camshafts |
Part No. |
Advertised Duration |
@0.050" |
O-Lap |
Center Line |
Lift |
Valve Lash |
Recom. Spring |
Basic RPM |
Applications & Comments |
*P4529346 |
276/276 |
235/235 |
52 |
112 |
.490/.490 |
28/32 |
P4120249 |
2600-6700 |
Drag mild comp |
*P4120653 |
284/284 |
241/241 |
60 |
112 |
.528/.528 |
28/32 |
P5249847 |
2800-6900 |
Drag modified comp |
*P4120655 |
296/296 |
252/252 |
76 |
110 |
.557/.557 |
28/32 |
P3614542 |
3400-7200 |
Drag pro comp, man. & high stall auto. |
*P4120657 |
312/312 |
265/265 |
104 |
106 |
.590/.590 |
28/32 |
P3614542 |
4000-7500 |
Drag pro comp, auto w/race conv. |
*P4349266 |
324/324 |
275/275 |
112 |
106 |
.620/.620 |
28/32 |
P3412068 |
4800-7800 |
Drag pro comp, man & race auto |
*P4529967 |
276/276 |
235/235 |
60 |
106 |
.488/.488 |
28/32 |
P5249847 |
|
Oval - 1/4 mile flat track |
P4529968 |
280/280 |
238/238 |
64 |
108 |
.509/.509 |
28/32 |
P5249847 |
|
Oval - 1/4 mile banked track |
*P4529969 |
280/280 |
238/238 |
68 |
106 |
.509/.509 |
28/32 |
P5249847 |
|
Oval - 1/4 mile banked track |
*P4529970 |
284/284 |
241/241 |
72 |
106 |
.526/.526 |
28/32 |
P3614542 |
|
Oval - 3/8 mile flat track |
*P4529971 |
290/290 |
248/248 |
78 |
106 |
.541/.541 |
28/32 |
P3614542 |
|
Oval - 3/8 mile banked track |
*P4529972 |
296/296 |
252/252 |
84 |
106 |
.555/.555 |
28/32 |
P3614542 |
|
Oval - 1/2 mile flat track |
*P4529973 |
304/304 |
258/258 |
92 |
106 |
.571/.571 |
28/32 |
P3412068 |
|
Oval - 1/2 mile banked track |
*P4529974 |
312/312 |
265/265 |
100 |
106 |
.588/.588 |
28/32 |
P3412068 |
|
Oval - 1/2 - 1 mile tracks |
Valve lash is listed in thousandths, for example .028" lash settings are "cold." |