Hastings 3.000" Standard Bore, Single Cylinder Ring Set with 1/8" Top Ring, 1/8" Second Ring, 1/8" Third Ring and a First Oil Ring is 1/4".
This Hastings Single Cylinder Ring Set does not specify Ring Material or Ring Surface Treatment

Application Summary:

Year Make/Model
2015-2018 International 3100
2015-2018 International 4700
2015-2018 International CityStar
2018 International UrbanStar
Attributes
1st Oil Groove 1/4
2nd Groove 1/8
3rd Groove 1/8
Alternate Part Number 727S
California Proposition 65 No
Engborein 3.000
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 1/8
GTIN 00075538046028