ARP head stud kit for the early AEB VW 1.8L turbo 20-valve four-cylinder with M11 studs, supplied without the install tool. Studs deliver high, even clamping load to seal the head gasket under boost on built 1.8T engines.
| Type | Head stud kit (M11) |
| Engine | VW 1.8L turbo 20V (early AEB) |
| Includes | Without install tool |
| Fastener | Studs with nuts |
| Part Number | 204-4101 |
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