Ford - 4.6L & 5.4L 2 Valve Late Model
Performance level - Stage 1 - Excellent for stock replacement. No other modifications required.
INT/EXH - Dur @ .050” Lift: 200°/204° RR: 1.8/1.8 Gross Lift: .540”/.549” LSA: 114° RPM: Idle to 5500 Redline: 6000

Ford - 4.6L & 5.4L 2 Valve Late Model
Performance level - Stage 2 - Hot street profile. Emphasis on mid range. Spring recommended.
INT/EXH - Dur @ .050” Lift: 208°/212° RR: 1.8/1.8 Gross Lift: .559”/.570” LSA: 114° RPM: 1250 to 6000 Redline: 6500

Ford - 4.6L & 5.4L 2 Valve Late Model
Performance level - Stage 2 - Designed specifically for supercharger applications for street use.
INT/EXH - Dur @ .050” Lift: 216°/216° RR: 1.8/1.8 Gross Lift: .581”/.581” LSA: 114° RPM: 1500 to 6500 Redline: 6500

Ford - 4.6L & 5.4L 2 Valve Late Model
Performance level - Stage 3 - Street/strip profile. Emphasis on top end power. Spring required.
INT/EXH - Dur @ .050” Lift: 220°/224° RR: 1.8/1.8 Gross Lift: .590”/.601” LSA: 114° RPM: 1750 to 6750 Redline: 6750

Crower 99-04 GT 2V Stage 4-Race Grind Camshafts

• Stage 4
• Race grind
• ECU mods and tuning required.
• Rough idle is common.
• RPM range: 2250 to 7250+ on 4.6L, 5.4L will be lower.
• Spring Kit Required (84706 or 84707)
• Cam specs: INT/EXH - Dur @ .050” Lift: 228°/232° RR: 1.8/1.8 Gross Lift: .612”/.621” LSA: 114° RPM: 2250 to 7000 Redline: 7000