Hastings 3.484"/85.90 mm Bore +.030" Over Size, 4-Cylinder Ring Set with 2.00 mm Top Ring, 2.00 mm Second Ring, and a First Oil Ring is 4.00 mm.
This Hastings 4-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
1972-1980 Toyota Celica
1972-1980 Toyota Corona
1972-1974 Toyota Hi-Lux
Attributes
1st Oil Groove 4.00
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 2.50
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2C5623.030
California Proposition 65 No
Engborein 3.484
Engboremetric 88.50
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
Notes W/Shallow Oil Grv.
SDR Required Flag N
Top Groove 2.00
GTIN 00075538131588