Small Block Ford Hydraulic Roller Camshaft Specs

Brand

Part Number

Advertised Duration

Duration @ 0.050"

Valve Lift

LSA

RPM Range

Intake

Exhaust

Intake

Exhaust

Intake

Exhaust

Competition Cams

260HR Carb

260°

260°

206°

206°

0.533''

0.533''

110°

1,200 – 4,500

Competition Cams

270HR Carb

270°

270°

215°

215°

0.533''

0.533''

110°

1,800 – 5,000

Competition Cams

281HR Carb

281°

281°

220°

220°

0.512''

0.512''

110°

2,000 – 5,500

Competition Cams

280HR Carb

280°

280°

224°

224°

0.560''

0.560''

110°

2,500 – 6,000

Competition Cams

286HR Carb

286°

286°

230°

230°

0.598''

0.598''

110°

3,000 – 6,500

Competition Cams

266HR EFI

266°

270°

210°

215°

0.533''

0.533''

114°

1,200 – 5,200

Competition Cams

270HR EFI

270°

276°

215°

220°

0.533''

0.540''

114°

1,500 – 5,500

Competition Cams

281HR EFI

281°

284°

220°

224°

0.512''

0.533''

112°

2,000 – 5,500

Competition Cams

276HR EFI

276°

280°

220°

224°

0.544''

0.560''

114°

2,000 – 6,000

Competition Cams

280HR EFI

280°

286°

224°

230°

0.560''

0.598''

112°

2,200 – 6,200

Competition Cams

270HR Blower

270°

284°

215°

224°

0.533''

0.533''

114°

1,800 – 5,300

Competition Cams

276HR Blower

276°

280°

220°

224°

0.544''

0.560''

114°

2,000 – 6,000

Competition Cams

284HR Blower

284°

290°

224°

230°

0.533''

0.544''

114°

2,000 – 6,000

Competition Cams

XE264HR

264°

270°

212°

218°

0.512''

0.512''

114°

1,500 – 5,500

Competition Cams

XE270HR

270°

276°

218°

224°

0.512''

0.512''

114°

1,800 – 5,800

Competition Cams

XE258HR

258°

266°

208°

216°

0.533''

0.544''

112°

1,300 – 5,300

Competition Cams

XE266HR

266°

274°

216°

224°

0.544''

0.555''

112°

1,600 – 5,600

Competition Cams

XE274HR

274°

282°

224°

232°

0.555''

0.565''

112°

2,200 – 6,200

Competition Cams

XE282HR

282°

290°

232°

240°

0.565''

0.574''

112°

2,600 – 6,600

Competition Cams

NX264HR

264°

276°

212°

224°

0.512''

0.512''

114°

1,500 – 5,600

Competition Cams

NX274HR

274°

286°

224°

236°

0.555''

0.570''

114°

2,200 – 6,200

Competition Cams

NX282HR

282°

294°

232°

244°

0.565''

0.580''

114°

2,600 – 6,600

Competition Cams

XFI236HR-14

286°

300°

236°

248°

0.579''

0.579''

114°

2,600 – 6,300

Competition Cams

XFI248HR-14

304°

314°

248°

258°

0.608''

0.608''

114°

3,200 – 6,500

Crane Cams

444111

262°

270°

208°

216°

0.530''

0.530''

112°

1,500 – 5,000

Crane Cams

444126

276°

282°

214°

220°

0.483''

0.498''

112°

2,000 – 5,500

Crane Cams

444131

282°

282°

220°

220°

0.498''

0.498''

110°

2,400 – 6,000

Crane Cams

449521

270°

278°

216°

224°

0.523''

0.544''

112°

2,000 – 5,500

Crane Cams

444121

270°

278°

216°

220°

0.533''

0.544''

112°

2,000 – 5,500

Crower

stock

272°

272°

211°

211°

0.437''

0.437''

115°

-

Crower

15510

275°

275°

212°

212°

0.531''

0.531''

114°

1,500 – 5,500

Crower

15511

278°

282°

218°

224°

0.468''

0.486''

114°

1,800 – 6,000

Crower

15512

282°

286°

222°

228°

0.496''

0.512''

112°

2,100 – 6,500

Crower

15513

288°

298°

228°

234°

0.512''

0.531''

112°

2,400 – 7,000

Crower

15514

298°

304°

234°

240°

0.534''

0.545''

110°

2,700 – 7,500

Crower

15515

300°

310°

236°

242°

0.524''

0.529''

110°

3,000 – 8,000

Ford

stock

266°

266°

204°+

204°+

0.444''

0.444''

116°

-

Ford Motorsport

E303

282°

282°

220°

220°

0.498''

0.498''

110°

2,500 - 5,500

Ford Motorsport

B303

284°

284°

224°

224°

0.480''

0.480''

112°

3,300 - 5,100

Ford Motorsport

F303

288°

288°

226°

226°

0.512''

0.512''

114°

2,800 - 6,000

Ford Motorsport

X303

286°

286°

224°

224°

0.542''

0.542''

112°

3,500 - 6,500

Ford Motorsport

Z303

290°

290°

228°

228°

0.552''

0.552''

112°

2,800 - 6,000

Ford Performance Solutions

4836

266°

266°

210°

210°

0.445''

0.445''

115°

-

Ford Performance Solutions

4017W

257°

265°

210°

218°

0.480''

0.500''

112°

-

Ford Performance Solutions

4017

279°

289°

212°

222°

0.493''

0.510''

112°

-

Ford Performance Solutions

4018W

272°

278°

214°

222°

0.517''

0.520''

112°

-

Ford Performance Solutions

4018

289°

299°

222°

232°

0.510''

0.534''

112°

-

Ford Performance Solutions

4019W

272°

282°

225°

234°

0.539''

0.565''

112°

-

Ford Performance Solutions

4022

300°

310°

238°

248°

0.544''

0.573''

112°

-

Ford Performance Solutions

4022W

284°

294°

238°

248°

0.544''

0.573''

112°

-

JBA

802

258°

258°

214°

214°

0.533''

0.533''

110°

-

JBA

816

272°

282°

216°

216°

0.523''

0.523''

111°

-

JBA

812

-

-