Hastings 3.228"/82.00 mm Standard Bore, Single Cylinder Ring Set with 1.20 mm Top Ring, 1.50 mm Second Ring and a First Oil Ring is 2.50 mm.
This Hastings Single Cylinder Ring Set has a top ring manufactured from stainless steel with nitrided ring surface treatment, a second ring manufactured from grey iron with phosphate ring surface treatment. The 1st oil control ring is manufactured of nitride rail/stainless expanison with a nitirded ring surface treatment.

Application Summary:

Year Make/Model
2003-2004 Mercedes-Benz C200
2010 Mercedes-Benz C200
2004-2005 Mercedes-Benz C230
2003 Mercedes-Benz CL200
Attributes
1st Oil Groove 2.50
1st Oil Ring Material NITRIDE RAIL/STAINLESS EXP
2nd Groove 1.50
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2N4129S
California Proposition 65 No
Engborein 3.228
Engboremetric 82.00
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 1.20
GTIN 00075538396024