Hastings 3.875" Bore +.060" Over SIze, Single Cylinder Ring Set with 3/32" Top Ring, 1/8" 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 triple 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
1964-1965 Chevrolet Chevelle
1962-1963 Chevrolet Chevy II
1967 Chevrolet Chevy II
1966 Chevrolet P10 Series
1963-1965 GMC G1000 Series
1966 GMC PB1000 Series
1953-1954 Pontiac Catalina
1966 Studebaker Commander
1965 Studebaker Daytona
Attributes
1st Oil Groove 3/16
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 5/64
2nd Ring Surface Treatment PHOSPHATE
California Proposition 65 No
Engborein 3.5625
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 5/64
GTIN 00075538032991