From VIN 15411 (approx) to 20000 - 8:1 & 9:1 CR

From VIN 15411 (ROW), VIN 16077 (North American spec cars), VIN 16071 approx (Corniche & Continental) and VIN 15436 (Turbo models) these are the pistons and rings that are fitted. The part number on the pistons that accept these rings is UE46311 (Naturally Aspirated cars) and UE46313 (Turbo models).
UE46310 is the 8:1 CR piston as supplied by Bentley.
UE46305 is the 9:1 CR piston 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.

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  1. UE46310SP
    PISTON & RINGS (8:1 CR S Grade - OEM) (UE46310S-OEM)
    US$372.63 US$447.16
    On Back Order - contact us for a due date
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  2. UE46310SSET
    SET OF 8 PISTONS & RINGS (8:1 CR S Grade - OEM) (UE46310SSET-OEM)
    US$2,512.44 US$3,014.93
    On Back Order - contact us for a due date
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  3. UE46305SP
    PISTON & RINGS (9:1 CR S Grade - OEM) (UE46305S-OEM)
    US$442.11 US$530.53
    In Stock
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  4. 3 RING PISTON RING KIT (1975-1986) (RINGSET-2)
    3 RING PISTON RING KIT (1975-1986) (RINGSET-2)
    US$488.16 US$585.79
    In Stock
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  5. UE46305SET
    SET OF 8 PISTON S (9:1 CR S Grade - OEM) (UE46305SET-OEM)
    US$3,031.61 US$3,637.93
    In Stock
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  6. 3 RING PISTON RING KIT (Per piston 1975-1986) (RINGKIT-2)
    3 RING PISTON RING KIT (Per piston 1975-1986) (RINGKIT-2)
    US$61.02 US$73.22
    In Stock
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  7. UE71222SP
    CYLINDER LINER S GRADE (OEM) (UE71222S-OEM)
    US$125.05 US$150.06
    In Stock
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  8. UE71222TP
    CYLINDER LINER T GRADE (OEM) (UE71222T-OEM)
    US$125.05 US$150.06
    In Stock
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  9. UE8581/2P
    LINER SEAL SET (UE8581/2P)
    US$311.52 US$373.82
    In Stock
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  10. CYLINDER LINER PULLER (RH7095P)
    CYLINDER LINER PULLER (RH7095P)
    US$852.64 US$1,023.17
    Available : Despatched in 1-3 Days
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  11. RH7095LOAN
    LOAN OF CYLINDER LINER PULLER (RH7095LOAN)
    US$94.74 US$113.69
    In Stock
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  12. RH7095EXT
    CYLINDER LINER PULLER EXTENSION (RH7095EXT)
    US$726.32 US$871.58
    In Stock
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  13. RH7095EXTLOAN
    LOAN OF CYLINDER LINER PULLER EXTENSION (RH7095EXTLOAN)
    US$189.48 US$227.38
    In Stock
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