Hastings 4.000" Bore +.020" Over Size, 4-Cylinder Ring Set with 1/16"Top Ring, 5/64" Second Ring and a First Oil Ring is 3/16".
This Hastings 4-Cylinder Ring Set has a top ring manufactured from grey iron with plasma moly ring surface treatment, a second ring manufactured from grey iron with 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
1982 American Motors Concord
1982-1983 American Motors Eagle
1982 American Motors Spirit
1982-1992 Buick Century
1980-1991 Buick Skylark
1986-1987 Buick Somerset
1985 Buick Somerset Regal
1985-1990 Chevrolet Astro
1982-1986 Chevrolet Camaro
1982-1990 Chevrolet Celebrity
1980-1983 Chevrolet Citation
1984-1985 Chevrolet Citation II
1987-1993 Chevrolet LLV
1990-1992 Chevrolet Lumina
1979-1980 Chevrolet Monza
1985-1993 Chevrolet S10
1985-1988 Chevrolet S10 Blazer
1985-1990 GMC S15
1985-1988 GMC S15 Jimmy
1985-1990 GMC Safari
1991-1993 GMC Sonoma
1982-1983 Jeep CJ5
1982-1983 Jeep CJ7
1982-1983 Jeep DJ5
1982-1983 Jeep Scrambler
1985-1987 Oldsmobile Calais
1988-1991 Oldsmobile Cutlass Calais
1982-1992 Oldsmobile Cutlass Ciera
1987-1992 Oldsmobile Cutlass Cruiser
1980-1984 Oldsmobile Omega
1979-1980 Oldsmobile Starfire
1982-1991 Pontiac 6000
1984-1988 Pontiac Fiero
1982-1986 Pontiac Firebird
1985-1991 Pontiac Grand Am
1980-1984 Pontiac Phoenix
1979-1980 Pontiac Sunbird
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 2M5663.020
California Proposition 65 No
Engborein 4.000
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
Notes W/Shallow Oil Grv.
SDR Required Flag N
Top Groove 1/16
Top Ring Surface Treatment PLASMA MOLY
GTIN 00075538124900