Hastings 3.425"/87.00 mm Bore +.060" Over SIze, 4-Cylinder Ring Set with 1.50 mm Top Ring, 1.50 mm Second Ring and a First Oil Ring is 4.00 mm.
This Hastings 4-Cylinder Ring Set has a top ring manufactured from steel with plasma moly 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
1989-1993 Mazda B2600
1989-1994 Mazda MPV
1985-1995 Toyota 4Runner
1985 Toyota Celica
1985-1995 Toyota Pickup
Attributes
1st Oil Groove 4.00
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 1.50
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2M4216.060
California Proposition 65 No
Engborein 3.622
Engboremetric 92.00
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 1.50
Top Ring Surface Treatment PLASMA MOLY
GTIN 00075538242475