Hastings 3.341"/84.86 mm Bore +.020" Over Size, 6-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 6-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
1996-2002 Toyota 4Runner
1996-1998 Toyota T100
1996-2004 Toyota Tacoma
2000-2004 Toyota Tundra
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 4911.020
California Proposition 65 No
Engborein 3.681
Engboremetric 93.50
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 PHOSPHATE
GTIN 00075538258605