Hastings 3.504"/89.00 mm Bore +.040" Over Size, Single Cylinder Ring Set with 1.50 mm Top Ring, 1.50 mm Second Ring and a First Oil Ring is 2.80 mm.
This Hastings Single 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
1989-1998 Nissan 240SX
1993-1998 Nissan Altima
1990-1995 Nissan Axxess
1990-1994 Nissan D21
1995-1997 Nissan Pickup
1990-1992 Nissan Stanza
Attributes
1st Oil Groove 2.80
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 1.50
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 4660S.040
California Proposition 65 No
Engborein 3.504
Engboremetric 89.00
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 PHOSPHATE
GTIN 00075538165910