Materials used in the Jaguar V12 engine

Cylinder blocks: LM25 aluminium alloy, sand-cast open-deck.
Cylinder liners: 4 K6 cast-iron, machined all over, slip-fit.
Cylinder heads: LM 25P aluminium alloy, sand-cast.
Tappet blocks: C125 aluminium alloy, pressure die-cast.
Tappets: Chilled cast-iron.
Crankshaft: EN 16T manganese molybdenum Tuft rided forged steel.
Camshafts: Cast-iron.
Bearing caps: Chilled cast-iron.
Connecting-rods: EN 16T steel forgings
Main and Big-end Bearings: Vandervell steel-backed VP3 copper-lead.
small-end bushes: Clevite 10.
Sump: LM 24 aluminium alloy casting
Inlet manifolds: LM 6M aluminium alloy.
Jackshaft bearings: Steel-backed white metal.
Jackshaft: Cast-iron.
Valve guides: 2kII or NC cast-iron.
Valve inserts: Sintered iron.
Oil heat-exchanger: Cast aluminium.
Camshaft bearing caps: Die-cast aluminium alloy.
Pistons: LM 13WP aluminium alloy, pressure die-cast.
Inlet valves: EN 52 silicon chrome steel.
Exhaust valves: 21-4NS austenitic steel.
Head gasket: Cooper’s steel-core, asbestos-filled.
Oil-filter head: Aluminium alloy.
Timing cover: Aluminium alloy.
Timing-chain tensioner blade: Polypenco Nylatron GS molybdenum disulphide-filled nylon.