The following information is provided as a guide only. Every attempt has been made to accurately represent the manufacturer’s specifications. Before choosing a camshaft confirm specifications with the manufacturer. The camshaft manufacturers are sorted alphabetically and are listed in terms of duration. |
|||||||
Manufacturer’s Name |
Part Number |
Advertised Duration |
Duration @ .050 |
Lift With 1.5 Rocker Arms |
Lift With 1.65 Rocker Arms |
Lobe Separation Angle |
Intake Centerline |
Pontiac OEM |
9777254 |
269/277 |
– |
– |
– |
113 |
112.5 |
Pontiac OEM |
9779066 |
273/282 |
200/210 |
.408/.407 |
.449/.448 |
111.25 |
106.5 |
Pontiac OEM |
9779067 |
273/289 |
200/213 |
.408/.407 |
.449/.448 |
113.5 |
113.5 |
Pontiac OEM |
9779068 |
288/302 |
212/225 |
.408/.407 |
.449/.448 |
116 |
113 |
Pontiac OEM |
9785744 |
301/313 |
224/236 |
.408/.407 |
.449/.448 |
115.5 |
112.5 |
Pontiac OEM |
9794041 |
308/320 |
231/240 |
.470/.470 |
.517/.517 |
113.5 |
112 |
Comp Cams |
– |
244/244 |
196/196 |
.400/.400 |
.440/.440 |
110 |
– |
Comp Cams |
51-229-3 |
252/252 |
206/206 |
.425/.425 |
.468/.468 |
110 |
– |
Comp Cams |
– |
252/260 |
206/212 |
.424/.440 |
.467/.485 |
110 |
– |
Comp Cams |
51-230-3 |
260/260 |
212/212 |
.440/.440 |
.485/.485 |
110 |
– |
Comp Cams |
– |
260/268 |
212/218 |
.444/.444 |
.489/.489 |
110 |
– |
Comp Cams |
51-232-3 |
268/268 |
218/218 |
.454/.454 |
.499/.499 |
110 |
– |
Comp Cams |
– |
268/276 |
222/226 |
.463/.463 |
.509/.509 |
110 |
– |
Comp Cams |
51-233-4 |
270/270 |
224/224 |
.470/.470 |
.517/.517 |
110 |
– |
Comp Cams |
– |
276/284 |
228/236 |
.472/.472 |
.520/.520 |
110 |
– |
Comp Cams |
51-234-4 |
280/280 |
230/230 |
.480.480 |
.529/.529 |
110 |
– |
Comp Cams |
– |
280/288 |
237/237 |
.481/.481 |
.529/.529 |
110 |
– |
Comp Cams |
– |
– |
240/244 |
.522/.533 |
.575/.587 |
110 |
– |
Comp Cams |
51-240-4 |
292/292 |
244/244 |
.501/.501 |
.551/.551 |
110 |
– |
Comp Cams |
– |
292/296 |
244/246 |
.500/.510 |
.550/.561 |
110 |
– |
Comp Cams |
– |
296/305 |
246/253 |
.510/.525 |
.561/.578 |
108 |
– |
Comp Cams |
51-241-4 |
305/305 |
253-253 |
.525/.525 |
.578/.578 |
110 |
– |
Comp Cams |
– |
305/312 |
253/260 |
.525/.539 |
.578/.594 |
108 |
– |
Crane |
H-260 |
260/260 |
204/204 |
.427/.427 |
.470/.470 |
110 |
105 |
Crane |
H-260-2 |
260/272 |
204/216 |
.427/.454 |
.470/.499 |
112 |
107 |
Crane |
H-266 |
266/266 |
210/210 |
.440/.440 |
.485/.485 |
110 |
105 |
Crane |
H-272 |
272/272 |
216/216 |
.454/.454 |
.499/.499 |
110 |
105 |
Crane |
H-272-2 |
272/284 |
216/228 |
.454/.480 |
.499/.529 |
112 |
107 |
Crane |
H-278 |
278/278 |
222/222 |
.467/.467 |
.514/.514 |
110 |
105 |
Crane |
H-278-2 |
278/290 |
222/234 |
.467/.494 |
.514/.543 |
114 |
109 |
Crane |
H-284 |
284/284 |
228/228 |
.480/.480 |
.528/.528 |
112 |
107 |
Crane |
H-288-2 |
288/296 |
226/234 |
.458/.473 |
.504/.520 |
114 |
109 |
Crane |
H-290 |
290/290 |
216/216 |
.454/.454 |
.499/.499 |
110 |
105 |
Crane |
H-294 |
294/304 |
238/248 |
.502/.525 |
.553/.578 |
114 |
109 |
Crane |
H-296-2 |
296/304 |
234/242 |
.473/.488 |
.520/.537 |
112 |
107 |
Crane |
H-308-2 |
308/316 |
246/254 |
.495/.510 |
.545/.545 |
114 |
109 |
Crower |
60239 |
260/266 |
203/213 |
.419/.422 |
.461/.465 |
112 |
– |
Crower |
60240 |
270/276 |
210/221 |
.422/.446 |
.465/.491 |
112 |
– |
Crower |
60915 |
272/279 |
211/220 |
.422/.443 |
.465/.488 |
112 |
– |
Crower |
60241 |
276/281 |
215/221 |
.457/.464 |
.503/.511 |
112 |
– |
Crower |
60210 |
278/288 |
229/239 |
.480/.501 |
.525/.552 |
108 |
– |
Crower |
60916 |
278/289 |
221/229 |
.455/.470 |
.501/.517 |
112 |
– |
Crower |
60242 |
280/286 |
221/229 |
.456/.468 |
.502/.515 |
112 |
– |
Crower |
60243 |
284/290 |
228/235 |
.479/.494 |
.527/.544 |
112 |
– |
Crower |
60918 |
288/298 |
214/224 |
.444/.467 |
.489/.514 |
112 |
– |
Crower |
60211 |
296/308 |
236/242 |
.509/.516 |
.560/.568 |
108 |
– |
Crower |
60244 |
297/308 |
239/241 |
.500/.500 |
.550/.550 |
112 |
– |
Crower |
60212 |
304/312 |
239/247 |
.497/.522 |
.547/.575 |
108 |
– |
Crower |
60919 |
304/316 |
231/240 |
.470/.470 |
.517/.517 |
112 |
– |
Crower |
60213 |
308/314 |
246/254 |
.524/540 |
.577/.594 |
108 |
– |
Crower |
60245 |
311/316 |
248/253 |
.512/.524 |
.564/.577 |
112 |
– |
Edelbrock |
2157 |
278/288 |
204/214 |
.420/.442 |
.462/.487 |
110 |
105 |
Edelbrock |
5057 |
298/304 |
224/234 |
.465/.488 |
.512/.537 |
114 |
109 |
Edelbrock |
7157 |
308/320 |
231/240 |
.470/.470 |
.517/.517 |
113.5 |
112 |
Erson |
20 |
292/292 |
214/214 |
.449/.449 |
.494/.494 |
110 |
– |
Erson |
40 |
284/296 |
220/228 |
.472/.472 |
.520/.520 |
110 |
– |
Erson |
50 |
296/306 |
228/235 |
.472/.472 |
.520/.520 |
110 |
– |
Erson |
HF |
316/316 |
240/240 |
.472/.472 |
.520/.520 |
110 |
– |
H.O. |
HC-??? |
270/280 |
204/214 |
.420/.443 |
.462/.488 |
– |
– |
H.O. |
HC-01D |
276/288 |
220/232 |
.469/.497 |
.516.547 |
114 |
108 |
H.O. |
HC-01A |
276/288 |
222/232 |
.465/.492 |
.512/.542 |
114 |
109 |
H.O. |
HC-??? |
280/290 |
214/224 |
.443/.465 |
.488/.512 |
– |
– |
H.O. |
HC-??? |
284/284 |
218/218 |
.458/.458 |
.504/.504 |
– |
– |
H.O. |
HC-??? |
290/300 |
224/234 |
.465/.488 |
.512/.537 |
– |
– |
H.O. |
HC-??? |
292/292 |
230/230 |
.480/.480 |
.528/.528 |
– |
– |
H.O. |
HC-02D |
301/313 |
232/242 |
.470/.486 |
.517/.535 |
112 |
108 |
H.O. |
HC-03D |
308/320 |
244/252 |
.498/.512 |
.548/.563 |
114 |
108 |
Indian Adventures |
– |
270/288 |
214/224 |
.440/.450 |
.485/.495 |
112 |
– |
Indian Adventures |
– |
270/284 |
224/236 |
.472/.495 |
.520/.545 |
110 |
– |
Indian Adventures |
– |
282/282 |
224/228 |
.465/.475 |
.512/.523 |
112 |
– |
Indian Adventures |
– |
282/292 |
228/234 |
.476/.488 |
.524/.537 |
112 |
– |
Iskandarian |
901256 |
256/256 |
202/202 |
.425/.425 |
.468/.468 |
– |
112 |
Iskandarian |
901256/262 |
256/262 |
202/208 |
.425/.435 |
.468/479 |
– |
110 |
Iskandarian |
901262 |
262/262 |
208/208 |
.435/.435 |
.479/.479 |
– |
108 |
Iskandarian |
901264 |
264/264 |
214/214 |
.450/.450 |
.495/.495 |
– |
108 |
Iskandarian |
901270 |
270/270 |
216/216 |
.445/.445 |
.490/.490 |
– |
108 |
Iskandarian |
901271 |
270/270 |
221/221 |
.465/.465 |
.512/.512 |
– |
108 |
Iskandarian |
901280 |
280/280 |
224/224 |
.465/.465 |
.512/.512 |
– |
108 |
Iskandarian |
901281 |
280/280 |
232/232 |
.485/.485 |
.534/.534 |
– |
108 |
Iskandarian |
901292 |
292/292 |
244/244 |
.505/.505 |
.556/.556 |
– |
108 |
Iskandarian |
901304 |
304/304 |
256/256 |
.525/.525 |
.578/.578 |
– |
108 |
Lunati |
06705 |
260/260 |
210/210 |
.441/.441 |
.485/.485 |
110 |
– |
Lunati |
06703 |
268/268 |
218/218 |
.457/.457 |
.503/.503 |
110 |
– |
Lunati |
06702 |
270/280 |
204/214 |
.420/.442 |
.462/.487 |
110 |
– |
Lunati |
30706 |
270/280 |
220/230 |
.465/.489 |
.512/..538 |
110 |
106 |
Lunati |
07701 |
275/275 |
225/225 |
.477/.477 |
.525/.525 |
108 |
– |
Lunati |
00072 |
284/284 |
218/218 |
.458/.458 |
.504/.504 |
110 |
– |
Lunati |
07702 |
285/285 |
235/235 |
.507/.507 |
.558/.558 |
108 |
– |
Lunati |
30702 |
285/300 |
228/235 |
.465/.465 |
.512/.512 |
110 |
106 |
Lunati |
30707 |
289/310 |
238/242 |
.476/.485 |
.524/.534 |
110 |
106 |
Lunati |
00071 |
292/292 |
230/230 |
.490/.490 |
.539/.539 |
110 |
106 |
Lunati |
10704 |
301/318 |
220/228 |
.424/.424 |
.467/.467 |
110 |
– |
Lunati |
10703 |
308/320 |
231/240 |
.470/.470 |
.517/.517 |
113 |
– |
Speed-Pro |
1038 |
– |
204/214 |
.420/.443 |
.462/.488 |
110 |
– |
Speed-Pro |
1022 |
– |
214/224 |
.443/.465 |
.487/.512 |
112 |
– |
Speed-Pro |
1175 |
– |
224/234 |
.465/.488 |
.512/.537 |
112 |
– |
Summit |
K2800 |
262/272 |
204/214 |
.420/.442 |
.462/..487 |
112 |
– |
Summit |
K2801 |
– |
214/224 |
.442/.465 |
.487/.512 |
112 |
– |
Summit |
K2802 |
282/292 |
224/234 |
.465/.488 |
.512/.537 |
114 |
– |
Ultradyne |
– |
272/276 |
217/221 |
.454/.454 |
.499/.499 |
110 |
– |
Ultradyne |
– |
276/286 |
221/230 |
.454/.454 |
.499/.499 |
112 |
106 |
Ultradyne |
– |
280/288 |
223/231 |
.463/.485 |
.510/.534 |
110 |
104 |
Ultradyne |
– |
288/296 |
231/239 |
.485/.507 |
.534/.558 |
108 |
– |
Ultradyne |
– |
296/301 |
239/247 |
.507/.530 |
.558/.583 |
110 |
– |
Ultradyne |
– |
304/312 |
247/255 |
.530/.551 |
.583/.606 |
110 |
– |
Wolverine |
WG1169 |
280/290 |
214/224 |
.443/465 |
.488/.537 |
112 |
107 |
Wolverine |
WG1096 |
290/300 |
224/234 |
.465/.488 |
.512/.537 |
112 |
107 |
Wolverine |
WG1028 |
301/313 |
224/236 |
.408/.407 |
..449/.448 |
115.5 |
112.5 |
Wolverine |
WG5059 |
300/310 |
234/244 |
.482/.505 |
.530/.556 |
112 |
107 |