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Part No. | Description | Adv Duration | Duration @.050 | Gross Lift w/1.8 | Kit# |
62804-2 |
| 274 Lobe 274 288 Valve 288 | 228 Lobe 228 246 Valve 246 | .612 / .612 | 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-62803-2 | Part No.DescriptionAdv DurationDuration @.050Gross Lift w/1.8Kit#62803-2Stage 3Street/Strip profile.Emphasis on top end power.Spring required.RPM range: 1750 to 6750+ on 4.6L, 5.4L will be lower.266 Lobe 270280 Valve 284220 Lobe 224238 Valve 242.590 / .60184701or84703..
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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