Hastings 4.300" Bore +.040" Ovver 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 does not specify Ring Material or Ring Surface Treatment

Application Summary:

Year Make/Model
1968-1976 Cadillac Calais
1968-1976 Cadillac Commercial Chassis
1968-1976 Cadillac DeVille
1968-1976 Cadillac Eldorado
1968-1976 Cadillac Fleetwood
Attributes
1st Oil Groove 3/16
2nd Groove 5/64
Alternate Part Number 695.040
California Proposition 65 No
Engborein 4.300
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 00075538038764