Hastings 3.701"/94.00 mm Bore +.020" Over Size, Single Cylinder Ring Set with 1.20 mm Top Ring, 1.20 mm Second Ring and a First Oil Ring is 2.00 mm.
This Hastings Single Cylinder Ring Set has a top ring manufactured from steel with 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
2003-2022 Toyota 4Runner
2007-2014 Toyota FJ Cruiser
2005-2015 Toyota Tacoma
2005-2014 Toyota Tundra
Attributes
1st Oil Groove 2.00
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 1.20
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2C5151S.020
California Proposition 65 No
Engborein 3.701
Engboremetric 94.00
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 1.20
Top Ring Surface Treatment CHROME
GTIN 00075538240938