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