Hastings 3.504"/89.00 mm Bore +.030" Over Size, 6-Cylinder Ring Set with 1.50 mm Top Ring, 2.00 mm Second Ring and a First Oil Ring is 4.75 mm.
This Hastings 6-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
1985-1986 Buick Century
1985 Buick Skylark
1985-1986 Cadillac Cimarron
1985-1989 Chevrolet Camaro
1985-1986 Chevrolet Cavalier
1985-1986 Chevrolet Celebrity
1985 Chevrolet Citation II
1985-1993 Chevrolet S10
1985-1989 Chevrolet S10 Blazer
1985-1990 GMC S15
1985-1989 GMC S15 Jimmy
1991-1993 GMC Sonoma
1989-1991 Isuzu Trooper
1986 Jeep Cherokee
1986 Jeep Comanche
1986 Jeep Wagoneer
1985-1986 Oldsmobile Cutlass Ciera
1985-1986 Oldsmobile Firenza
1985-1986 Pontiac 6000
1985-1988 Pontiac Fiero
1985-1989 Pontiac Firebird
Attributes
1st Oil Groove 4.75
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 2.00
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2M6194.030
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
Notes W/Shallow Oil Grv.
SDR Required Flag N
Top Groove 1.50
Top Ring Surface Treatment PLASMA MOLY
GTIN 00075538110668