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Part No. | Description | Adv Duration | Duration @.050 | Gross Lift w/1.8 | Kit# |
62803-2 |
| 266 Lobe 270 280 Valve 284 | 220 Lobe 224 238 Valve 242 | .590 / .601 | 84701 or 84703 |
CRO-62800-2 | Part No.DescriptionAdv DurationDuration @.050Gross Lift w/1.8Kit#62800-2Stage 1Excellent for stock replacement.No other modifications required.RPM Range: Idle to 5500+ on 4.6L, 5.4L will be lower.246 Lobe 250260 Valve 264200 Lobe 204216 Valve 220.540 / .549Stock..
CRO-62804-2 | Part No.DescriptionAdv DurationDuration @.050Gross Lift w/1.8Kit#62804-2Stage 3Designed specifically for supercharger applications for street/strip use.RPM range: 2000 to 6900+ on 4.6L, 5.4L will be lower.274 Lobe 274288 Valve 288228 Lobe 228246 Valve 246.612 / .61284701or84703..
CRO-62805-2 | Part No.DescriptionAdv DurationDuration @.050Gross Lift w/1.8Kit#62805-2Stage 4Race grind.ECU mods and tuning required.Rough idle is common.RPM range: 2250 to 7000+ on 4.6L, 5.4L will be lower.274 Lobe 278288 Valve 292228 Lobe 232246 Valve 250.612 / .62184701or84703..
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