Hastings 3.189"/83.00 mm Bore +.50 mm Over Size, 4-Cylinder Ring Set with 1.50 mm Top Ring, 1.50 mm Second Ring and a First Oil Ring is 3.00 mm.
This Hastings 4-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 stainless steel rail/stainless expansion with a nitrided ring surface treatment.

Application Summary:

Year Make/Model
1989-1991 Geo Prizm
1990-1992 Toyota Celica
1988-1993 Toyota Corolla
Attributes
1st Oil Groove 3.00
1st Oil Ring Material SS RAIL/SS EXPANDER
2nd Groove 1.50
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2N4683.50
California Proposition 65 No
Engborein 3.189
Engboremetric 81.00
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 1.50
GTIN 00075538155959