Hastings 4.058" Bore +.060" Over Size, Single Cylinder Ring Set with 5/64" Top Ring, 5/64" Second Ring and a First Oil Ring is 3/16".
This Hastings Single Cylinder Ring Set does not specify Ring Material or Ring Surface Treatment

Application Summary:

Year Make/Model
1977 Buick Century
1977-1980 Buick Electra
1977-1980 Buick Estate Wagon
1977-1980 Buick LeSabre
1977 Buick Regal
1977-1980 Buick Riviera
1977 Buick Skylark
1979-1980 Cadillac Eldorado
1976-1980 Cadillac Seville
1977-1980 Oldsmobile 98
1977-1980 Oldsmobile Custom Cruiser
1968-1977 Oldsmobile Cutlass
1979-1980 Oldsmobile Cutlass
1979-1980 Oldsmobile Cutlass Calais
1980 Oldsmobile Cutlass Cruiser
1975-1977 Oldsmobile Cutlass Salon
1979 Oldsmobile Cutlass Salon
1968-1977 Oldsmobile Cutlass Supreme
1979-1980 Oldsmobile Cutlass Supreme
1968 Oldsmobile Delmont 88
1968-1980 Oldsmobile Delta 88
1968-1972 Oldsmobile F85
1973-1974 Oldsmobile Omega
1977 Oldsmobile Omega
1979-1980 Oldsmobile Toronado
1968-1975 Oldsmobile Vista Cruiser
1977-1980 Pontiac Bonneville
1977-1980 Pontiac Catalina
1977 Pontiac Firebird
1977 Pontiac Grand LeMans
1977 Pontiac Grand Prix
1977 Pontiac Grand Safari
1977 Pontiac Laurentian
1980 Pontiac Laurentian
1977 Pontiac LeMans
1977 Pontiac Phoenix
1977 Pontiac Ventura
Attributes
1st Oil Groove 3/16
2nd Groove 5/64
Alternate Part Number 697S.060
California Proposition 65 No
Engborein 4.058
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 5/64
GTIN 00075538039518