Ultradyne SBC Engine Motor Hydraulic Camshaft 276/286 H12 Sb Chevy

**Ultradyne SBC Engine Motor Hydraulic Camshaft 276/286 H12 Sb Chevy** **Pulled from a running 350 motor that was parted out. Lobes have some wear but look ok. Could use a polish. Cam profile is listed below. E-mail or call with any questions 5135829674.** The cam Master lists are arranged by family with all cams within each family RPMing to the same peak RPM on a spin fixture. In an actual operating engine the valve lift area under the curve may limit the peak RPM. ``` Master Adv 0.050 0.200 Lobe Number Duration Duration Duration Lift 104 106 108 110 1.5 1.6 1.7 ``` ``` ``` ``` Hydraulic Profiles Adv = .0045" H13 246 193 100 0.2620 0.030 0.025 0.021 0.017 0.393 0.419 0.445 H7 254 199 106 0.2673 0.037 0.032 0.026 0.021 0.401 0.428 0.454 H6 262 207 117 0.2883 0.049 0.043 0.038 0.033 0.432 0.461 0.490 H11 266 211 123 0.2941 0.058 0.052 0.046 0.041 0.441 0.471 0.500 H3 272 217 127 0.3027 0.064 0.058 0.052 0.046 0.454 0.485 0.515 H4 276 221 132 0.3027 0.071 0.064 0.057 0.052 0.454 0.485 0.515 H10 284 232 143 0.3273 0.087 0.081 0.074 0.067 0.490 0.524 0.556 H9 286 230 139 0.3027 0.085 0.078 0.072 0.065 0.454 0.485 0.515 H14 280 223 132 0.3088 0.073 0.066 0.060 0.054 0.463 0.494 0.525 H5 288 231 143 0.3233 0.086 0.080 0.073 0.066 0.485 0.517 0.550 H15 296 239 151 0.3383 0.100 0.093 0.086 0.080 0.507 0.541 0.575 H34 298 241 153 0.3383 0.104 0.097 0.090 0.083 0.507 0.541 0.575 H35 300 243 155 0.3383 0.107 0.100 0.093 0.086 0.507 0.541 0.575 H12 304 247 161 0.3533 0.121 0.114 0.107 0.100 0.530 0.565 0.600 H8 312 255 166 0.3677 0.128 0.121 0.114 0.107 0.551 0.588 0.625 H16 320 263 176 0.3708 0.143 0.136 0.129 0.122 0.556 0.593 0.630 ```

• Brand: Ultradyne
• Manufacturer Part Number: 276/286 H12
• Country of Origin: United States