Yes, exactly like a DOHC small block Chevy
the ZR1 Corvette LT5. Notice the camshaft drive info below
LT5 Engine Specs:
* Displacement: 350 CID
* Horsepower:
1990-1992-375 @ 5800 RPM,
1993-1995 – 405 @ 5800 RPM
* Torque:
1990-1992-460 LB-FT @ 4000 RPM,
1993-1995 – 385 LB/FT
* Bore & Stroke: 3.90” x 3.66”
* Firing Order: 1 – 8 – 4 – 3 – 6 – 5 – 7 – 2
* Compression Ratio: 11.0:1
* Cylinder Block: Cast aluminum,
1990-1992 – open deck 2-bolt per bearing
1993-1995 – open deck 4-bolt per bearing
* Cylinder Liner Material: Forged aluminum extrusion
* Cylinder Head Material: Cast aluminum, 2.44-cid pent roof combustion chamber
* Intake Manifold: Cast aluminum
* Intake System: AC Rochester, Extruded aluminum multech injectors
* Valve sizes: Intake – 1.54“, Exhaust – 1.39”
* Camshaft: Alloy cast iron, intake & exhaust-lift 0.39
* Camshaft Drive: Primary – silent chain, Secondary – duplex roller chain
* Valve lifters: Alloy cast iron, hydraulic
* Main Bearing: Cast leaded bronze steel-backed
* Crankshaft: Nitrided forged steel, 2.76 dia. main journal
* Connecting Rods: Forged steel
* Piston Material: Cast aluminum w/expansion control-spherical bowl
* Fuel Type: Premium
* Exhaust Manifold: Stainless steel
* Engine Weight: 596
* Engine Redline: 7200 rpm
* Manufacturer: Mercury Marine