NOS piston set for Volkswagen 1.8l engines from the 1980s, 1990s, and 2000s.  Will also fit similar SEAT models. Sorry, no rings.  These are .50mm / .020in oversize. 
Fits:
CADDY I (14) (1979/08 - 1992/07)

    VW CADDY I (14) 1.8
    70 kW / 95 HP 1781 ccm 4 cylinders 8 valves Petrol 1985/08 - 1992/07
  
GOLF I (17) (1974/04 - 1985/12)

    VW GOLF I (17) 1.8 GTI
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1982/08 - 1983/12

GOLF I Cabriolet (155) (1979/01 - 1993/08)

    VW GOLF I Cabriolet (155) 1.8
    70 kW / 95 HP 1781 ccm 4 cylinders 8 valves Petrol 1983/08 - 1993/04
    VW GOLF I Cabriolet (155) 1.8
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1982/08 - 1989/12
    VW GOLF I Cabriolet (155) 1.8
    72 kW / 98 HP 1781 ccm 4 cylinders 8 valves Petrol 1989/08 - 1993/03
    VW GOLF I Cabriolet (155) 1.8
    82 kW / 111 HP 1781 ccm 4 cylinders 8 valves Petrol 1983/08 - 1992/12


GOLF II (19E, 1G1) (1983/08 - 1992/12)

    VW GOLF II (19E, 1G1) 1.8
    62 kW / 84 HP 1781 ccm 4 cylinders 8 valves Petrol 1986/08 - 1990/01
    VW GOLF II (19E, 1G1) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1984/08 - 1991/10
    VW GOLF II (19E, 1G1) 1.8 GTI
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1983/08 - 1991/10
    VW GOLF II (19E, 1G1) 1.8 GTI
    77 kW / 105 HP 1781 ccm 4 cylinders 8 valves Petrol 1985/01 - 1985/07
    VW GOLF II (19E, 1G1) 1.8 GTI Cat
    79 kW / 107 HP 1781 ccm 4 cylinders 8 valves Petrol 1987/01 - 1991/10
    VW GOLF II (19E, 1G1) 1.8 i Cat
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1987/08 - 1991/10
    VW GOLF II (19E, 1G1) 1.8 i Cat Syncro
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1987/08 - 1991/10
    VW GOLF II (19E, 1G1) 1.8 Syncro
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1986/02 - 1991/07
    VW GOLF II (19E, 1G1) 1.8 Syncro
    72 kW / 98 HP 1781 ccm 4 cylinders 8 valves Petrol 1988/08 - 1991/07
    VW GOLF II (19E, 1G1) 1.8 Syncro
    62 kW / 84 HP 1781 ccm 4 cylinders 8 valves Petrol 1986/08 - 1988/07

GOLF III (1H1) (1989/10 - 1998/07)

    VW GOLF III (1H1) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1991/11 - 1997/08
    VW GOLF III (1H1) 1.8 Syncro (1HX1)
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1993/01 - 1997/08

GOLF III Cabriolet (1E7) (1993/07 - 1998/05)

    VW GOLF III Cabriolet (1E7) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1993/07 - 1998/05

GOLF III Van (1H1) (1991/08 - 1997/12)

    VW GOLF III Van (1H1) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1991/08 - 1997/12

GOLF III Variant (1H5) (1993/07 - 1999/04)

    VW GOLF III Variant (1H5) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1993/07 - 1999/04
    VW GOLF III Variant (1H5) 1.8 Syncro
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1994/10 - 1999/04

GOLF IV Cabriolet (1E7) (1998/06 - 2002/12)

    VW GOLF IV Cabriolet (1E7) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1998/06 - 2002/06

GOLF Van III Variant (1H5) (1991/08 - 1999/12)

    VW GOLF Van III Variant (1H5) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1993/08 - 1999/12

JETTA I (16) (1978/08 - 1987/12)

    VW JETTA I (16) 1.8
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1982/08 - 1984/02

JETTA II (19E, 1G2, 165) (1983/08 - 1992/12)

    VW JETTA II (19E, 1G2, 165) 1.8
    62 kW / 84 HP 1781 ccm 4 cylinders 8 valves Petrol 1986/08 - 1990/01
    VW JETTA II (19E, 1G2, 165) 1.8
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1984/01 - 1991/10
    VW JETTA II (19E, 1G2, 165) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1984/08 - 1991/10
    VW JETTA II (19E, 1G2, 165) 1.8
    70 kW / 95 HP 1781 ccm 4 cylinders 8 valves Petrol 1984/08 - 1988/07
    VW JETTA II (19E, 1G2, 165) 1.8
    77 kW / 105 HP 1781 ccm 4 cylinders 8 valves Petrol 1985/01 - 1992/12
    VW JETTA II (19E, 1G2, 165) 1.8 Cat
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1987/08 - 1991/10
    VW JETTA II (19E, 1G2, 165) 1.8 Cat
    79 kW / 107 HP 1781 ccm 4 cylinders 8 valves Petrol 1987/01 - 1991/10
    VW JETTA II (19E, 1G2, 165) 1.8 Syncro
    72 kW / 98 HP 1781 ccm 4 cylinders 8 valves Petrol 1988/08 - 1991/07
    VW JETTA II (19E, 1G2, 165) 1.8 Syncro
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1987/08 - 1988/12

PASSAT B2 (32B) (1979/09 - 1989/07)

    VW PASSAT B2 (32B) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1983/01 - 1988/03
    VW PASSAT B2 (32B) 1.8
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1983/12 - 1988/03

PASSAT B2 Saloon (32B) (1982/05 - 1989/06)

    VW PASSAT B2 Saloon (32B) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1985/01 - 1988/03

PASSAT B2 Variant (33B) (1980/08 - 1989/06)

    VW PASSAT B2 Variant (33B) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1983/01 - 1988/03
    VW PASSAT B2 Variant (33B) 1.8
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1983/12 - 1988/03
    VW PASSAT B2 Variant (33B) 1.8 Syncro
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1986/01 - 1988/03

PASSAT B3/B4 (3A2, 35I) (1988/02 - 1997/12)

    VW PASSAT B3/B4 (3A2, 35I) 1.8
    79 kW / 107 HP 1781 ccm 4 cylinders 8 valves Petrol 1988/04 - 1993/07
    VW PASSAT B3/B4 (3A2, 35I) 1.8
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1988/04 - 1992/07
    VW PASSAT B3/B4 (3A2, 35I) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1988/02 - 1996/08

PASSAT B3/B4 Variant (3A5, 35I) (1988/02 - 1997/06)

    VW PASSAT B3/B4 Variant (3A5, 35I) 1.8
    79 kW / 107 HP 1781 ccm 4 cylinders 8 valves Petrol 1988/04 - 1990/07
    VW PASSAT B3/B4 Variant (3A5, 35I) 1.8
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1988/04 - 1992/07
    VW PASSAT B3/B4 Variant (3A5, 35I) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1988/02 - 1997/05

POLO III CLASSIC (6V2) (1995/01 - 2009/11)

    VW POLO III CLASSIC (6V2) 90 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1997/01 - 2001/09

POLO Variant (6V5) (1997/04 - 2001/09)

    VW POLO Variant (6V5) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1997/05 - 2001/09

SANTANA (32B) (1981/08 - 1985/12)

    VW SANTANA (32B) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1983/01 - 1984/12

SCIROCCO (53B) (1980/08 - 1992/07)

    VW SCIROCCO (53B) 1.8
    70 kW / 95 HP 1781 ccm 4 cylinders 8 valves Petrol 1985/11 - 1992/07
    VW SCIROCCO (53B) 1.8
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1982/08 - 1989/12

VENTO (1H2) (1991/11 - 1998/09)


100 C3 Avant (445, 446) (1982/08 - 1990/11)

    AUDI 100 C3 Avant (445, 446) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1983/08 - 1989/07
    AUDI 100 C3 Avant (445, 446) 1.8 Cat
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1985/03 - 1990/11
    AUDI 100 C3 Avant (445, 446) 1.8 Cat quattro
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1985/08 - 1990/10

100 C3 Saloon (443, 444) (1982/08 - 1991/07)

    AUDI 100 C3 Saloon (443, 444) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1983/08 - 1989/07
    AUDI 100 C3 Saloon (443, 444) 1.8 Cat
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1985/03 - 1990/11
    AUDI 100 C3 Saloon (443, 444) 1.8 Cat quattro
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1985/08 - 1990/11

80 B2 Saloon (811, 813, 814, 819, 853) (1978/08 - 1987/03)

    AUDI 80 B2 Saloon (811, 813, 814, 819, 853) 1.8
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1983/01 - 1986/08
    AUDI 80 B2 Saloon (811, 813, 814, 819, 853) 1.8 CC quattro (85Q)
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1984/08 - 1986/08
    AUDI 80 B2 Saloon (811, 813, 814, 819, 853) 1.8 GTE
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1984/10 - 1986/08
    AUDI 80 B2 Saloon (811, 813, 814, 819, 853) 1.8 GTE
    81 kW / 110 HP 1781 ccm 4 cylinders 8 valves Petrol 1985/08 - 1986/07
    AUDI 80 B2 Saloon (811, 813, 814, 819, 853) 1.8 GTE quattro (85Q)
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1984/08 - 1986/08
    AUDI 80 B2 Saloon (811, 813, 814, 819, 853) 1.8 GTE quattro (85Q)
    81 kW / 110 HP 1781 ccm 4 cylinders 8 valves Petrol 1985/03 - 1986/08


80 B3 Saloon (893, 894, 8A2) (1986/06 - 1991/10)

    AUDI 80 B3 Saloon (893, 894, 8A2) 1.8 E
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1986/06 - 1991/08
    AUDI 80 B3 Saloon (893, 894, 8A2) 1.8 E quattro
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1986/09 - 1991/08
    AUDI 80 B3 Saloon (893, 894, 8A2) 1.8 S
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1986/09 - 1991/10
    AUDI 80 B3 Saloon (893, 894, 8A2) 1.8 S quattro
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1986/09 - 1991/09

90 B3 (893, 894, 8A2) (1987/04 - 1991/09)

    AUDI 90 B3 (893, 894, 8A2) 1.8 E
    82 kW / 111 HP 1781 ccm 4 cylinders 8 valves Petrol 1989/08 - 1991/08

COUPE B2 (81, 855, 856) (1980/07 - 1988/10)

    AUDI COUPE B2 (81, 855, 856) 1.8 GT
    66 kW / 90 HP 1781 ccm 4 cylinders 8 valves Petrol 1982/09 - 1988/10
    AUDI COUPE B2 (81, 855, 856) 1.8 GT
    79 kW / 107 HP 1781 ccm 4 cylinders 8 valves Petrol 1986/08 - 1987/10
    AUDI COUPE B2 (81, 855, 856) 1.8 GT
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1986/08 - 1988/10
    AUDI COUPE B2 (81, 855, 856) 1.8 GT quattro
    82 kW / 112 HP 1781 ccm 4 cylinders 8 valves Petrol 1984/12 - 1988/10

COUPE B3 (89, 8B3) (1988/10 - 1996/12)