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| Profile Number | Advertised Timings | DURATION | VALVE LIFT | TAPPET CLEARANCE | REMARKS | ||||||||||
| Ex Op. B.B.D.C. | Ex Cl A.T.D.C | In Op. B.T.D.C. | In Cl A.B.D.C | Advertised | @ 0.050" | Gross. | @ T.D.C. | Ex. | In. | | |||||
| 356C | 62 | 22 | 22 | 62 | 264 | 264 | 224 | 224 | 0.385" | 0.385" | 0.057" | 0.051" | 0.010" | 0.010" | Torque |
| 149 | 65 | 25 | 25 | 65 | 270 | 270 | 230 | 230 | 0.360" | 0.360" | 0.070" | 0.070" | 0.008" | 0.008" | Mild 2200 - 5000 RPM |
| 548 | 70 | 30 | 30 | 70 | 280 | 280 | 238 | 238 | 0.375' | 0.375" | 0.067" | 0.087" | 0.008" | 0.008" | Road 2500 -6000RPM |
| 140A | 71 | 37 | 37 | 71 | 288 | 288 | 240 | 240 | .330" | 0.330" | 0.074" | 0.095" | 0.012" | 0.008" | SCAT C25 |
| 416C | 73 | 37 | 37 | 73 | 290 | 290 | 251 | 251 | 0.368" | 0.368" | 0.091" | 0.110" | 0.008" | 0.006" | Fast Road Twin Carb |
| 253B | 70 | 34 | 34 | 71 | 284 | 284 | 256 | 256 | 0.422" | 0.422" | 0.115" | 0.146" | 0.010" | 0.008" | SCAT C35 |
| 148A | 68 | 37 | 37 | 68 | 285 | 285 | 253 | 253 | 0.400" | 0.400" | 0.108" | 0.133" | 0.008" | 0.006" | Fast Rad Twin Carb |
| 149A | 72 | 46 | 46 | 74 | 298 | 298 | 263 | 263 | 0.393" | 0.393" | 0.138" | 0.161" | 0.008" | 0.006" | |
| 133 | 76 | 42 | 47 | 73 | 300 | 300 | 270 | 270 | 0.451" | 0.454" | 0.170" | 0.190" | 0.012" | 0.010" | 4200 - 8000 RPM |
| 1002 | 64 | 58 | 66 | 92 | 338 | 338 | 280 | 280 | .480" | 0.480" | 0.012" | 0.008" | Race Only | ||
Notes -
* Camshafts supplied without camgear, please state if camgear is required.
* Profiles can also be used with 1.4:1 r/ratio.
