Hastings 3.965" Bore +.040" Over Size, 6-Cylinder Ring Set with 5/64" Top Ring, 5/64" Second Ring, and a First Oil Ring is 3/16".
This Hastings 6-Cylinder Ring Set has a top ring manufactured from grey iron with chrome ring surface treatment and second ring manufactured from grey iron with a phosphate ring surface treatment. The 1st oil control ring is manufactured of steel rail/stainless expansion with a chrome rail ring surface treatment.

Application Summary:

Year Make/Model
1980-1984 Buick Electra
1980-1984 Buick LeSabre
1982-1984 Buick Regal
1981-1984 Buick Riviera
1980-1982 Cadillac DeVille
1981-1982 Cadillac Eldorado
1980-1982 Cadillac Fleetwood
1981-1982 Cadillac Seville
1981-1983 Oldsmobile 98
1981-1984 Oldsmobile Toronado
1982 Pontiac Bonneville
1982 Pontiac Grand Prix
Attributes
1st Oil Groove 3/16
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 5/64
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2C5619.040
California Proposition 65 No
Engborein 3.965
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 5/64
Top Ring Surface Treatment CHROME
GTIN 00075538130970