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