Cylinder block

Part of S58 engine · about $6,800 to replace

What it is

Closed-deck aluminium crankcase with wire-arc-sprayed iron bore liners.

What it does

Houses the six cylinders, crankshaft and coolant/oil galleries; carries the head and gearbox.

How it fails

Closed deck resists head-gasket lift at high boost; bore scoring is rare but not unknown after coolant loss.

Material	AlSi cast aluminium, twin-wire arc-sprayed bores
Spec	Bore spacing 91 mm
	deck height 226 mm
	~68 kg bare

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