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 |
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 Fireball | H-294A | 294/304 | 233/243 | .440/.456 | .484/.501 | 112 | 112 |
Crane Fireball | H-294B | 294/304 | 234/244 | .488/.508 | .536/.559 | 112 | 112 |
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 |