Hastings 3.248"/82.50 mm Standard Bore, 1-Cylinder Ring Set with 1.20 mm Top Ring, 1.50 mm Second Ring and a First Oil Ring is 2.00 mm.
This Hastings 1-Cylinder Ring Set has a top ring manufactured from stainless steel with nitrided ring surface treatment, a second ring manufactured from ductile iron with phosphate ring surface treatment. The 1st oil control ring is manufactured of ht iron with a chrome ring surface treatment.

Application Summary:

Year Make/Model
2004-2005 Audi A3
2004-2005 Audi A3 Quattro
2008 Audi A3 Quattro
Attributes
1st Oil Groove 2.00
1st Oil Ring Material HT IRON
1st Oil Ring Surface Treatment CHROME
2nd Groove 1.50
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2N4144
California Proposition 65 No
Engborein 3.248
Engboremetric 82.50
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 00075538193852