2012 Howards Cams Catalogue

Page 44

CAMSHAFTS CHEVROLET BIG BLOCK MARK IV

• 396-502 1965-1996

Retro-Fit Hydraulic Roller Camshafts Cam Part No.

Cam & Lifter Set Part No.

120225-12

CL120225-12

Duration Advertised IN EX

262 1200-4400

120235-12

CL120235-12

266 1400-4600

123515-10

NA

272 1600-5000

120245-10

CL120245-10

278 1800-5400

120245-12

CL120245-12

278 1800-5400

122115-12

NA

278 1800-5600

122115-14

NA

278 1800-5600

123315-10

NA

280 2000-5600

120325-08

CL120325-08

282 2000-5700

120325-10

CL120325-10

282 2000-5800

120325-12

NA

282 2000-5800

120255-08

NA

284 2400-6000

120255-12

CL120255-12

284 2400-6000

121905-08

NA

286 2500-6100

121905-11

NA

286 2500-6200

120605-12

CL120605-12

286 2500-6200

120605-14

NA

286 2500-6500

120205-12

NA

286 2500-6300

120205-14

NA

286 2500-6300

120405-08

CL120405-08

288 2600-6400

120405-10

CL120405-10

288 2600-6400

120405-12

CL120405-12

288 2600-6400

120265-10

NA

290 2600-6500

120265-12

CL120265-12

290 2600-6500

266

Duration @ .050” IN EX

209

213

Valve Lift Lobe w/1.70 Rockers Separation Intake IN EX Angle Centerline

.510 .527

112

Valve Lash IN EX

Notes

108

Hyd. Hyd.

1,2

108

Hyd. Hyd.

1,2

Hyd. Hyd.

1,2

Great daily usage, smooth idle, great fuel economy.

274

213

221

.510 .538

112

Good idle, Off-Road & Street Performance. 9.0:1 CR advised.

280

219

227

.549 .555

110

106

Good idle, Performance Street, great low to mid range. Headers suggested.

284

225

231

.567 .578

110

106

Hyd. Hyd.

1,2

Noticeable idle, Street Performance. Should have 2000+ stall, 9.5:1+ CR.

284

225

231

.567 .578

112

108

Hyd. Hyd.

1,2

Hyd. Hyd.

1,2

Fair idle, Street & mild Performance usage. Crisp throttle.

288

225

235

.595 .601

112

108

Mild idle, Street Performance, Great mid range torque. Headers suggested

288

225

235

.595 .601

114

110

Hyd. Hyd.

1,2

Fair idle, excellent mid range power. 2500+ stall. Also good w/roots blower, 10psi max.

280

227

227

.555 .555

110

106

Hyd. Hyd.

1,2

Mild rough idle, Hot Street. Should have good exhaust, 2500+ stall & 9.5:1 CR.

288

229

235

.589 .600

108

104

Hyd. Hyd.

1,2

Street/Strip, 10.0:1+ CR, aftermarket dual plane intake recommended.

288

229

235

.589 .600

110

106

Hyd. Hyd.

1,2

Hyd. Hyd.

1,2

Fair idle, Performance usage. Mid-range torque & horsepower.

288

229

235

.589 .600

112

108

Fair idle, Moderate Street/Mild Bracket. Good mid range. 10.0-11.5:1, 2500+ stall.

288

231

235

.578 .618

108

104

Hyd. Hyd.

1,2

Hyd. Hyd.

1,2

Hyd. Hyd.

1,2

Fair idle, Performance usage. Great mid-range torque & power.

288

231

235

.578 .618

112

108

Fair idle, Performance usage. Great mid-range torque & power.

286

233

233

.600 .600

108

104

Rough idle, Performance Street/Mild Strip. Nice mid range. 9.5:1+ CR, 2500+ stall.

286

233

233

.600 .600

111

107

Hyd. Hyd.

1,2

Rough idle, Hot Street. Good usable mid range power band. 9.5:1+ CR, 2500+ stall.

300

233

247

.600 .612

112

108

Hyd. Hyd.

1,2

Mild idle, Hot Street. Great mid range performance. 9.5:1+ CR, 2500+ stall.

300

233

247

.600 .612

114

110

Hyd. Hyd.

1,2

Mild idle, Hot Street. Great mid range performance. Small blower or NOS OK.

298

233

245

.634 .634

112

108

Hyd. Hyd.

1,2

Fair idle, Aggressive Street. Big mid range torque. 9.5:1+ CR, 2500+ stall.

298

233

245

.634 .634

114

110

Hyd. Hyd.

1,2

Fair idle, Aggressive Street. Big mid range torque. Good with 150+ NOS or blower.

294

235

241

.618 .618

108

104

Hyd. Hyd.

1,2

Rough idle, Hot Street/Strip. Great mid range. Needs good heads, 10.0:1+ CR.

294

235

241

.618 .618

110

106

Hyd. Hyd.

1,2

Fair idle, Street/Strip, best in 496-540ci. Nice mid range power. 2600+ stall.

294

235

241

.618 .618

112

108

Hyd. Hyd.

1,2

106

Hyd. Hyd.

1,2

Hyd. Hyd.

1,2

Rough idle, strong mid-range torque & horsepower.

296

237

243

.634 .640

110

Decent idle, Performance Street. Needs 10.0:1+ CR, 2800+ stall.

296

237

243

.634 .640

112

108

Lopey idle, Hot Street & Bracket Racing. 10.0:1+ CR advised.

Some items are not legal for sale or use on any pollution controlled motor vehicle

44 Phone: 1300 350 351

Fax: 1300 350 454

Web: www.fabre.com.au

Email: info@fabre.com.au


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2012 Howards Cams Catalogue by Fabre Australia - Issuu