L displacement Bore 107.2 mm x stroke 101.0 mm Cast iron block Aluminum cylinder heads Intake valve diameter 55.13 mm Exhaust valve diameter 42.53 mm Lift (intake/exhaust) 13.67 mm / 15.26 mm Cam-in-block OHV design w/variable cam timing Forged steel crankshaft Cast Aluminum pistons 430 HP at 5,500 rpm 475 lb/ft of torque at 4,000 rpm 10.5:1 compression Port fuel injection Firing order: 1-5-4-8-6-3-7-2   The engine assembly includes: Composite Intake manifold and 80 mm throttle body Left and Right exhaust manifolds 8 quart aluminum oil pan/cooler Ignition coils and wires Production flex plate M-6038-73 shipping and storage cradle Factory…