Here's a list of the men's magazines that contain King's fiction:
Graveyard Shift * Cavalier 1970 October
I Am the Doorway * Cavalier 1971 March
Suffer the Little Children Cavalier 1972 February
The Fifth Quarter Cavalier 1972 April
Battleground * Cavalier 1972 September
The Mangler * Cavalier 1972 December
The Boogeyman * Cavalier 1973 March
Trucks * Cavalier 1973 June
Gray Matter * Cavalier 1973 October
Battleground * Cavalier 1973 Annual
Sometimes They Come Back * Cavalier 1974 March
Night Surf * Cavalier 1974 August
The Lawnmower Man * Cavalier 1975 May
Strawberry Spring * Cavalier 1975 November
The Boogeyman * Gent 1975 December
Gray Matter * Cavalier 1975 Annual
The Ledge * Penthouse 1976 July
Weeds Cavalier 1976 May
Weeds Nugget 1979 April
Night Surf * Cavalier 1976 Annual
Strawberry Spring * Gent 1977 February
Children of the Corn * Penthouse 1977 March
The Cat from Hell Part 1 Cavalier 1977 March
The Cat from Hell Cavalier 1977 June
The Man Who Loved Flowers * Gallery 1977 August
The Cat from Hell w/Phil Bowie Cavalier 1977 September
The Cat from Hell w/Mark Rains Gent 1977 December
Man with a Belly Cavalier 1978 December
Man with a Belly Gent 1979 Nov/Dec
The Crate Gallery 1979 July
The Monkey Gallery 1980 November
The Jaunt Gallery 1981 December
The Raft Gallery 1982 November
The Word Processor Playboy 1983 January
Rest Stop Esquire 2003 December
Willa Playboy 2006 December
The Gingerbread Girl Esquire 2007 July
Mute Playboy 2007 December
Morality Esquire 2009 July
The Bone Church (Poem) Playboy 2009 November
Tommy (Poem) Playboy 2010 March
In the Tall Grass Part 1 Esquire July/August 2012
In the Tall Grass Part 2 Esquire August 2012
That Bus Is Another World Esquire August 2014
The ones with asterisks are stories in Night Shift.
John