Hastings 3.875" Bore +.010" Over Size, 8-Cylinder Ring Set with 5/64" Top Ring, 5/64" Second Ring, and a First Oil Ring is 3/16".
This Hastings 8-Cylinder Ring Set has a top ring manufactured from grey iron with chrome ring surface treatment and a 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
1959 Chevrolet 3B
1959 Chevrolet 3C
1959 Chevrolet 3D
1959 Chevrolet 3E
1959 Chevrolet 3F
1959 Chevrolet 3G
1957-1968 Chevrolet Bel Air
1958-1968 Chevrolet Biscayne
1969-1973 Chevrolet Blazer
1959-1961 Chevrolet Brookwood
1969 Chevrolet Brookwood
1971-1972 Chevrolet Brookwood
1960-1973 Chevrolet C10 Pickup
1967-1973 Chevrolet C10 Suburban
1960-1973 Chevrolet C20 Pickup
1967-1973 Chevrolet C20 Suburban
1960-1973 Chevrolet C30 Pickup
1969-1973 Chevrolet Camaro
1966-1969 Chevrolet Caprice
1971-1973 Chevrolet Caprice
1964-1973 Chevrolet Chevelle
1963-1968 Chevrolet Chevy II
1957-1961 Chevrolet Corvette
1957-1958 Chevrolet Del Ray
1959-1960 Chevrolet El Camino
1964-1973 Chevrolet El Camino
1969-1970 Chevrolet Estate
1967-1973 Chevrolet G20 Van
1958-1969 Chevrolet Impala
1971-1973 Chevrolet Impala
1960-1973 Chevrolet K10 Pickup
1967-1973 Chevrolet K10 Suburban
1960-1973 Chevrolet K20 Pickup
1967-1973 Chevrolet K20 Suburban
1968-1973 Chevrolet K30 Pickup
1959-1961 Chevrolet Kingswood
1969 Chevrolet Kingswood
1971-1972 Chevrolet Kingswood
1973 Chevrolet Laguna
1964-1967 Chevrolet Malibu
1973 Chevrolet Malibu
1958-1961 Chevrolet Nomad
1969-1973 Chevrolet Nova
1957 Chevrolet One-Fifty Series
1961-1962 Chevrolet P10 Series
1961-1962 Chevrolet P20 Series
1961-1962 Chevrolet P30 Series
1959-1961 Chevrolet Parkwood
1957-1958 Chevrolet Sedan Delivery
1960-1966 Chevrolet Suburban
1969 Chevrolet Townsman
1971-1972 Chevrolet Townsman
1957-1958 Chevrolet Truck
1957 Chevrolet Two-Ten Series
1958 Chevrolet Yeoman
1961-1963 GMC 1000 Series
1961-1963 GMC 1500 Series
1961-1963 GMC 2500 Series
1961-1963 GMC 3000
1966 GMC 3000
1961-1963 GMC 3500
1966 GMC 3500
1967-1973 GMC C15/C1500 Pickup
1968-1973 GMC C15/C1500 Suburban
1967-1973 GMC C25/C2500 Pickup
1968-1973 GMC C25/C2500 Suburban
1967-1973 GMC C35/C3500 Pickup
1970-1973 GMC G35/G3500 Van
1970-1973 GMC Jimmy
1967-1973 GMC K15/K1500 Pickup
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 2C660.010
California Proposition 65 No
Engborein 3.875
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 00075538031482