Hastings 4.165" Bore +.030" Over Size, 8-Cylinder Ring Set with 5/64" Top Ring, 5/64" Second Ring and a First Oil Ring is 3/16".
This Hastings 8-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
1968-1970 American Motors Ambassador
1968-1970 American Motors AMX
1968-1970 American Motors Javelin
1975-1976 American Motors Matador
1969 American Motors Rambler
1968 American Motors Rebel
1970 American Motors Rebel
1977 Jeep J10
1975 Jeep J20
1976 Jeep Wagoneer
Attributes
1st Oil Groove 3/16
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 5/64
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 672.030
California Proposition 65 No
Engborein 4.165
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 5/64
Top Ring Surface Treatment PHOSPHATE
GTIN 00075538034780