Hastings 3.25" Bore +.020" Over Size, 8-Cylinder Ring Set with 3/32" Top Ring, 3/32" 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
1939 Pontiac Deluxe Series 28
1949 Pontiac Streamliner
1941-1942 Pontiac Torpedo
1946-1947 Pontiac Torpedo
1940 Pontiac Torpedo Series 29
Attributes
1st Oil Groove 3/16
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 3/32
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 619.020
California Proposition 65 No
Engborein 3.25
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 3/32
Top Ring Surface Treatment PHOSPHATE
GTIN 00075538222484