Hastings 3.425"/87.00 mm Bore +.010" Over Size, 1-Cylinder Ring Set with 2.00 mm Top Ring, 2.00 mm Second Ring and a First Oil Ring is 3.00 mm.
This Hastings 1-Cylinder Ring Set has a top ring manufactured from grey iron with triple chrome ring surface treatment and 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
1986-1989 Mercedes-Benz 190D
Attributes
1st Oil Groove 3.00
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 2.00
2nd Ring Surface Treatment PHOSPHATE
California Proposition 65 No
Engborein 3.425
Engboremetric 87.00
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 2.00
Top Ring Surface Treatment TRIPLE CHROME
GTIN 00075538355083