Hastings 3.680"/96.47 mm Bore +.040" Over Size, 4-Cylinder Ring Set with 2.00 mm Top Ring, 2.00 mm Second Ring and a First Oil Ring is 4.75 mm.
This Hastings 4-Cylinder Ring Set has a top ring manufactured from grey iron with phosphate ring surface treatment, a second ring manufactured from grey iron with 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
1986-1991 Ford Taurus
1986 Mercury Sable
Attributes
1st Oil Groove 4.75
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 2.00
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 5688.040
California Proposition 65 No
Engborein 3.680
Engboremetric 93.47
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 PHOSPHATE
GTIN 00075538146292