Hastings 4.050" 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 Single Cylinder Ring Set has a top ring manufactured from grey iron 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
1966-1968 Ford Country Sedan
1966-1968 Ford Country Squire
1970 Ford Country Squire
1966-1968 Ford Custom
1968-1970 Ford Fairlane
1966-1967 Ford Galaxie
1968-1970 Ford Galaxie 500
1966-1968 Ford LTD
1970 Ford LTD
1967-1970 Ford Mustang
1966-1968 Ford Ranch Wagon
1970 Ford Ranch Wagon
1969 Ford Ranchero
1966-1967 Ford Thunderbird
1969 Ford Thunderbird
1968-1970 Ford Torino
1967 Mercury Brougham
1966-1970 Mercury Colony Park
1968-1969 Mercury Comet
1966-1968 Mercury Commuter
1968-1970 Mercury Cougar
1968-1969 Mercury Cyclone
1966-1970 Mercury Marauder
1967-1970 Mercury Marquis
1966-1968 Mercury Montclair
1968-1969 Mercury Montego
1966-1970 Mercury Monterey
1966-1968 Mercury Park Lane
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 2M595S.030
California Proposition 65 No
Engborein 4.130
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 PLASMA MOLY
GTIN 00075538024248