Hastings 4.000" Bore +.030" Over Size, Single Cylinder Ring Set with 5/64" Top Ring, 3/32" Second Ring and a First Oil Ring is 3/16".
This Hastings Single Cylinder Ring Set has a top ring manufactured from steel 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
1959 Edsel Corsair
1959-1960 Edsel Ranger
1959-1960 Edsel Villager
1963 Ford 300
1958-1959 Ford Club
1958-1966 Ford Country Sedan
1958-1966 Ford Country Squire
1964-1966 Ford Custom
1958 Ford Del Rio Wagon
1960-1963 Ford F-100
1965-1967 Ford F-100
1960-1963 Ford F-250
1965-1967 Ford F-250
1960-1963 Ford F-350
1965-1967 Ford F-350
1958-1963 Ford Fairlane
1966 Ford Fairlane
1959-1966 Ford Galaxie
1965-1966 Ford LTD
1965-1967 Ford P-350
1958-1966 Ford Ranch Wagon
1966-1967 Ford Ranchero
1958-1959 Ford Skyliner
1960 Ford Starliner
1958-1960 Ford Sunliner
1958-1960 Ford Thunderbird
1958-1960 Ford Victoria
1956-1957 Lincoln Capri
1956-1957 Lincoln Mark II
1956-1957 Lincoln Premier
1957 Mercury Colony Park
1961-1962 Mercury Colony Park
1957 Mercury Commuter
1961-1962 Mercury Commuter
1957 Mercury Medalist
1961-1962 Mercury Meteor
1957 Mercury Montclair
1957 Mercury Monterey
1961-1962 Mercury Monterey
1957 Mercury Turnpike Cruiser
1957 Mercury Voyager
1958-1959 Oldsmobile 98
1958-1960 Oldsmobile Fiesta
1957 Oldsmobile Golden Rocket 88
1957 Oldsmobile Starfire
1958-1960 Oldsmobile Super 88
Attributes
1st Oil Groove 3/16
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 3/32
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2M577S.030
California Proposition 65 No
Engborein 4.000
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 PLASMA MOLY
GTIN 00075538021063