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| JEEP I-6 CAMSHAFTS | Jeep 4.0 | Jeep 4.2 | Clevite | Clifford | CompCams | Crower | Erson | Hesco | Isky | Lunati | Mopar | |||||||||||||||||||||||||||||||
| 87-'95 | 96-'06 | 71-'75 | 76-'80 | 81-'90 | 229-1929 | 97-2021 | 97-2041 | 68-115-4 | 68-200-4 | 68-201-4 | 68-231-4 | 68-232-4 | 68-235-4 | 68-239-4 | 44242 | 44243 | 44915 | 44245 | 44310 | 44311 | 44312 | E720111 | E720112 | E723121 | E720321 | H264-14B6 | RVOB6 | 1331-M | 133125 | 133125/26 | 133126 | 133127 | 133128 | 63500 | 63501 | 63502 | 63503 | P4529228 | P4529229 | |||
| Advertised Intake Duration deg | 270 | 256 | 259 | 261 | 262 | 270 | 280 | 264 | 272 | 240 | 252 | 260 | 250 | 250 | 254 | 262 | 242 | 256 | 280 | 278 | 260 | 282 | 292 | 274 | 280 | 292 | 284 | 264 | 270 | 248 | 256 | 256 | 262 | 270 | 282 | 250 | 256 | 262 | 268 | 240 | 248 | |
| Advertised Exhaust Duration deg | 270 | 260 | 259 | 261 | 262 | 270 | 280 | 264 | 272 | 248 | 252 | 260 | 258 | 256 | 262 | 270 | 250 | 264 | 280 | 284 | 266 | 287 | 298 | 280 | 288 | 292 | 284 | 264 | 270 | 248 | 256 | 262 | 262 | 270 | 282 | 256 | 262 | 268 | 276 | 240 | 248 | |
| Intake Duration @ .050" Lifter Rise deg | 197 | 188 | 185 | 194 | 191 | 197 | 208 | 206 | 214 | 192 | 206 | 212 | 206 | 206 | 210 | 218 | 184 | 194 | 208 | 212 | 210 | 238 | 248 | 202 | 208 | 214 | 220 | 214 | 214 | 194 | 202 | 202 | 208 | 216 | 224 | 208 | 213 | 220 | 226 | |||
| Exhaust Duration @ .050" Lifter Rise deg | 197 | 192 | 185 | 194 | 191 | 197 | 208 | 206 | 214 | 200 | 206 | 212 | 214 | 212 | 218 | 226 | 192 | 204 | 208 | 218 | 218 | 242 | 250 | 208 | 214 | 214 | 220 | 214 | 214 | 194 | 202 | 208 | 208 | 216 | 224 | 213 | 220 | 226 | 234 | |||
| Valve Lift (Intake) | 0.424" | 0.408" | 0.381" | 0.395" | 0.405" | 0.424" | 0.420" | 0.474" | 0.449" | 0.416" | 0.433" | 0.447" | 0.462" | 0.460" | 0.477" | 0.493" | 0.411" | 0.437" | 0.448" | 0.462" | 0.448" | 0.480" | 0.499" | 0.437" | 0.448" | 0.478" | 0.504" | 0.470" | 0.470" | 0.425" | 0.450" | 0.450" | 0.445" | 0.475" | 0.467" | 0.484" | 0.484" | 0.507" | 0.527" | 0.430" | 0.440" | |
| Valve Lift (Exhaust) | 0.424" | 0.414" | 0.381" | 0.395" | 0.405" | 0.424" | 0.420" | 0.474" | 0.449" | 0.416" | 0.433" | 0.447" | 0.485" | 0.476" | 0.493" | 0.512" | 0.413" | 0.445" | 0.448" | 0.475" | 0.453" | 0.486" | 0.512" | 0.448" | 0.458" | 0.478" | 0.504" | 0.470" | 0.470" | 0.425" | 0.450" | 0.465" | 0.445" | 0.475" | 0.467" | 0.484" | 0.507" | 0.527" | 0.547" | 0.430" | 0.440" | |
| Intake Opens @ .050" Lifter Rise (BTDC) deg | -21.5 | -20 | -17 | -13 | -18 | -21.5 | -6 | -12 | -4 | -1 | -4 | -4 | -2 | 2 | -14 | -11 | -4 | -2 | -3 | 11 | 18 | -5 | -4 | -1 | 4 | -7 | -3 | -4 | -1.5 | 2 | 7 | |||||||||||
| Intake Closes @ .050" Lifter Rise (ABDC) deg | 38.5 | 28 | 22 | 27 | 29 | 38.5 | 34 | 24 | 30 | 33 | 30 | 30 | 32 | 36 | 18 | 25 | 32 | 34 | 33 | 47 | 50 | 27 | 32 | 35 | 36 | 41 | 37 | 32 | 34.5 | 38 | 39 | |||||||||||
| Exhaust Opens @ .050" Lifter Rise (BBDC) deg | 22.5 | 16 | 24 | 29 | 30 | 22.5 | 38 | 28 | 36 | 39 | 42 | 45 | 44 | 48 | 30 | 38 | 40 | 45 | 45 | 57 | 59 | 38 | 43 | 43 | 44 | 41 | 37 | 42.5 | 46 | 49 | 51 | |||||||||||
| Exhaust Closes @ .050" Lifter Rise (ATDC) deg | -5.5 | -4 | -19 | -15 | -19 | -5.5 | -10 | -8 | -10 | -7 | -8 | -13 | -6 | -2 | -18 | -14 | -12 | -7 | -7 | 5 | 11 | -10 | -9 | -9 | -4 | -7 | -3 | -9.5 | -6 | -3 | 3 | |||||||||||
| Advertised Intake Opens (BTDC) deg | 15 | 14 | 20 | 21 | 17.5 | 15 | 30 | 12 | 19 | 23 | 18 | 18 | 20 | 24 | 15 | 20 | 32 | 31 | 22 | 33 | 40 | 31 | 32 | 38 | 36 | 18 | 25 | 17 | 20 | 23 | 28 | 12 | 16 | |||||||||
| Advertised Intake Closes (ABDC) deg | 75 | 62 | 59 | 60 | 64.5 | 75 | 70 | 48 | 53 | 57 | 52 | 52 | 54 | 58 | 47 | 56 | 68 | 67 | 58 | 69 | 72 | 63 | 68 | 74 | 68 | 66 | 65 | 53 | 56 | 59 | 60 | 48 | 52 | |||||||||
| Advertised Exhaust Opens (BBDC) deg | 59 | 50 | 61 | 62 | 65.5 | 59 | 74 | 52 | 59 | 63 | 64 | 67 | 66 | 70 | 59 | 68 | 76 | 78 | 69 | 79.5 | 83 | 74 | 80 | 82 | 76 | 66 | 65 | 64 | 67 | 70 | 72 | 48 | 52 | |||||||||
| Advertised Exhaust Closes (ATDC) deg | 31 | 30 | 18 | 19 | 16.5 | 31 | 26 | 16 | 13 | 17 | 14 | 9 | 16 | 20 | 11 | 16 | 24 | 26 | 17 | 27.5 | 35 | 26 | 28 | 30 | 28 | 18 | 25 | 12 | 15 | 18 | 24 | 12 | 16 | |||||||||
| Valve Overlap deg (advertised) | 46 | 43 | 38 | 40 | 34 | 46 | 56 | 28 | 32 | 40 | 32 | 27 | 36 | 44 | 26 | 36 | 56 | 57 | 39 | 60.5 | 75 | 57 | 60 | 68 | 64 | 36 | 50 | 29 | 35 | 41 | 52 | 24 | 32 | |||||||||
| Lobe Separation Angle deg | 112 | 107 | 111 | 111 | 114 | 112 | 112 | 114 | 108 | 110 | 110 | 111 | 113 | 111 | 111 | 110 | 112 | 112 | 112 | 112 | 112 | 110 | 110 | 112 | 112 | 110 | 114 | 110 | 108 | 111 | 110 | 109 | 109 | 109 | 112 | 112 | 112 | 110 | 108 | 108 | ||
| Intake Centerline Angle deg | 120 | 114 | 110 | 110 | 113 | 120 | 110 | 108 | 107 | 107 | 107 | 107 | 107 | 107 | 106 | 108 | 108 | 108 | 108 | 108 | 106 | 106 | 108 | 108 | 106 | 114 | 110 | 108 | 108 | 108 | 106 | 108 | 108 | |||||||||
| Hydraulic/Solid | H | H | H | H | H | H | H | H | H | H | H | H | H | H | H | H | H | H | H | H | S | S | S | H | H | H | H | H | H | H | H | H | H | H | H | H | H | H | H | H | H | |