Hastings 3.425" Standard Bore, Single Cylinder Ring Set with 5/64" Top Ring, 5/64" Second Ring and a First Oil Ring is 5/32".
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
1959-1961 Jaguar Mark IX
1962-1964 Jaguar Mark X
Attributes
1st Oil Groove 5/32
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 5/64
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 5957S
California Proposition 65 No
Engborein 3.425
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 00075538140047