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Mitsubishi - 420A
Performance level - Stage 1 - Aggressive Street use and nitrous. Slight lope at idle. Valve Spring Kit Kit #84176 required
INT/EXH - Dur @ .050” Lift: 184°/184° RR: 1.75/1.75 Gross Lift: .350”/.308” LSA: 110° RPM: 1500 to 7000 Redline: 7500