Hamilton Cams Stage 3 188/220 — the largest drop-in cam Hamilton makes. Idle to 4,500 RPM, perfect for hot street and moderate competition trucks.
Stage 3 188/220 Hot Street/Strip Camshaft
The largest drop-in cam Hamilton Cams sells. This Stage 3 grind transforms 1989-2018 Cummins 5.9L & 6.7L engines into mid-range monsters — a 1,700-4,500 RPM powerband with 40-60 horsepower gains over stock depending on fueling and turbo. Ideal for hot street trucks and moderate drag/sled-pull competition.
Specifications
- Duration at .050″ lift: 188° intake / 220° exhaust
- Valve lift: .310″ intake / .320″ exhaust
- Lobe separation angle: 108° LSA
- RPM range: 1,700 - 4,500 RPM
- Power gain: 40-60 HP over stock (varies with fueling and turbo)
Applications
- Stock or ported head, stock valve sizes
- Large single turbo (62mm or larger) or compound setups
- Weekend warrior, drag strip, stock-class sled pulling
Required Modifications
- Upgraded performance valve springs (103# recommended)
- Heavy-duty pushrods
- Drop-in on 12V: max .018″ piston protrusion, min .055″ valve face depth, 99 intake centerline
- Drop-in on 24V: max .018″ piston protrusion, min .038″ valve face depth, standard gasket
- Verify piston-to-valve clearance if head or block has been surfaced
Warranty
Warranty applies only when Hamilton Cams lifters and springs are used.
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