5.2 — cast aluminium alloy; 90 mm cylinder bore spacing; forged steel crankshaft with non-split crankpins creating uneven firing intervals of 90° and 54° cylinder heads and valvetrain cast aluminium alloy, four valves per cylinder, 40 valves total, low-friction roller cam followers with automatic hydraulic valve clearance compensation, chain driven double overhead camshafts, continuously variable valve timing system both for intake and exhaust aspiration two air filters, two hot-film air mass meters, two cast alloy throttle bodies each with electronically controlled throttle valves, cast magnesium alloy variable geometry and resonance intake manifold fuel system 5.0 — two linked common rail fuel distributor rails, electronic sequential multi-point indirect fuel injection with 10 intake manifold-sited fuel injectors 5.2 — fully demand-controlled and returnless; fuel tank mounted low pressure fuel pump, Fuel Stratified Injection (FSI): two inlet camshaft double-cam driven single-piston high-pressure injection pumps maintaining pressure in the two stainless steel common rail fuel distributor rails, ten combustion chamber sited direct injection solenoid-controlled sequential fuel injectors ignition system and engine management mapped direct ignition with centrally mounted spark plugs and ten individual direct-acting single spark coils; two Lamborghini LIE electronic engine control unit (ECUs) working on the 'master and slave' concept due to the high revving nature of the engine exhaust system 5.0 — five-into-one exhaust manifolds for each cylinder bank 5.2 — 2-1-2 branch exhaust manifold per cylinder bank to minimise reverse pulsation of expelled exhaust gasses 5.0 power and torque outputs and applications at 7,800 rpm; at 4,500 rpm (80% available from 1,500 rpm) — Gallardo 2003-2005 at 8,000 rpm; at 4,250 rpm — Gallardo SE, Spyder, and 2006-2008 at 8,000 rpm; at 4,250 rpm — Gallardo Superleggera 5.2 power and torque outputs and applications at 7,000 rpm; at 6,500 rpm — Gallardo Super GT - 2008-2009 at 8,000 rpm; at 6,500 rpm — Gallardo LP550/2, Balboni, Spyder, Bicolore, AD Personam, Singapore Limited Edition, Super Trofeo, Tricolore, Hong Kong 20th Anniversary Edition, Malaysia Limited Edition, India Serie Speciale, Indonesia Limited Edition, Edizione Tecnica - 2010-2013 at 8,000 rpm; at 6,500 rpm — Gallardo LP560/4, LP560/4 Spyder, Polizia, Gold Edition, Bicolore, LP560/4 Noctis, LP560/4 Bianco Rosso, Super Trofeo, LP560/4 GT, Reiter Extenso, Edizione Tecnica, LP560/2 50° Anniversario - 2008-2013 at 8,000 rpm; at 6,500 rpm — Gallardo LP570/4 SuperLeggera, Spyder Performante, Edizione Tecnica, SuperLeggera Nero Nemesis, SuperLeggera Bianco Canopus, Super Trofeo Stradale, Squadra Corse, Macau GP Edition - 2010-2013 at 8,000 rpm;