Hastings 4.016"/102.00 mm Bore +.020" Over Size, 1-Cylinder Ring Set with 2.40 mm Top Ring, 2.35 mm Second Ring and a First Oil Ring is 4.00 mm.
This Hastings 1-Cylinder Ring Set has a top ring manufactured from ductile iron with chrome surface treatment, a second ring manufactured from grey iron with phosphate ring surface treatment. The 1st oil control ring is manufactured of grey iron with a chrome ring surface treatment.

Application Summary:

Year Make/Model
1992-1994 Ford B-600
1992-1994 Ford B-700
1995-1998 Ford B-800F
Attributes
1st Oil Groove 4.00
1st Oil Ring Material GREY IRON
1st Oil Ring Surface Treatment CHROME
2nd Groove 2.35
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2D7518.020
California Proposition 65 No
Engborein 4.016
Engboremetric 102.00
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 2.40
Top Ring Surface Treatment CHROME
GTIN 00075538274094