VIN 01001 to 15410 (approx) 9:1 CR
All cars (except Turbo models) for all countries except North America, Japan and Australia were fitted with 9:1 Compression Ratio pistons.
Before VIN 15411 the piston rings that are fitted are listed below. The part number on the pistons that accept these rings is UE45564.
UE46305 is the superseded part as supplied by Bentley.
The Workshop Manual TSD2476 states that the cylinder liner diameters should be checked with a dial test indicator. If they are worn more than 0.1016mm (0.004") or if the ovality exceeds 0.076mm (0.003") it is necessary to fit new liners and pistons.
- SET OF 8 PISTON S (9:1 CR S Grade - OEM) (UE46305SET-OEM)US$3,110.36 US$3,732.43
- LOAN OF CYLINDER LINER PULLER EXTENSION (RH7095EXTLOAN)US$194.40 US$233.28
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