Hastings 3.800" Standard Bore, 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 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
1978-1988 Buick Century
1985-1990 Buick Electra
1977-1990 Buick LeSabre
1988-1990 Buick Reatta
1978-1987 Buick Regal
1986-1990 Buick Riviera
1978-1980 Buick Skyhawk
1978-1979 Buick Skylark
1986-1988 Buick Skylark
1986-1987 Buick Somerset
1985 Buick Somerset Regal
1980-1981 Chevrolet Camaro
1980-1985 Chevrolet Caprice
1978-1984 Chevrolet El Camino
1980-1985 Chevrolet Impala
1978-1983 Chevrolet Malibu
1978-1985 Chevrolet Monte Carlo
1978-1980 Chevrolet Monza
1978-1984 GMC Caballero
1985-1990 Oldsmobile 98
1985-1987 Oldsmobile Calais
1978-1981 Oldsmobile Cutlass
1978-1984 Oldsmobile Cutlass Calais
1988 Oldsmobile Cutlass Calais
1982-1988 Oldsmobile Cutlass Ciera
1980-1983 Oldsmobile Cutlass Cruiser
1987-1988 Oldsmobile Cutlass Cruiser
1978-1980 Oldsmobile Cutlass Salon
1985-1987 Oldsmobile Cutlass Salon
1978-1987 Oldsmobile Cutlass Supreme
1977-1990 Oldsmobile Delta 88
1978-1979 Oldsmobile Omega
1977-1980 Oldsmobile Starfire
1986-1990 Oldsmobile Toronado
1980-1990 Pontiac Bonneville
1977-1981 Pontiac Catalina
1978-1981 Pontiac Firebird
1979 Pontiac Grand Am
1985-1987 Pontiac Grand Am
1978-1981 Pontiac Grand LeMans
1978-1987 Pontiac Grand Prix
1978-1981 Pontiac LeMans
1984 Pontiac Parisienne
1978-1979 Pontiac Phoenix
1977-1980 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 2M5474S
California Proposition 65 No
Engborein 3.800
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
Notes W/Deep Oil Grv.
SDR Required Flag N
Top Groove 5/64
Top Ring Surface Treatment PLASMA MOLY
GTIN 00075538120889