Best/Favorite 4 album run by a rock band ?

[Riff Raff]

Judas Priest - Sad Wings of Destiny, Sin After Sin, Stained Class, Killing Machine, British Steel, Point of Entry, Screaming for Vengeance

Megadeth - Peace Sells, So Far So Good So What, Rust In Peace, Countdown To Extinction, Youthanasia.

 

[Vader]

I would start with Killing Is My Business but two great runs.

Kill Em All
Ride The Lighting
Master Of Puppets
And Justice For All

Oh , and Garage Days ,too.

 

[Riff Raff]

Slayer - Show No Mercy, Hell Awaits, Reign in Blood, South of Heaven, Seasons in the Abyss

Megadeth again - The System has Failed, United Abominations, Endgame, 13.

 

[Sharp Dressed Man]

Lynyrd Skynyrd:

(Pronounced 'Lĕh-'nérd 'Skin-'nérd)
Second Helping
Nuthin' Fancy
Gimme Back My Bullets
Street Survivors

That's the greatest run of 4+1 studio albums ever imo!

 

[That 70s Guy]

Mine would be Alice Cooper (I love Cooper's "cocaine" years)

"From The Inside" (!979)
"Flush The Fashion" (1980)
"Special Forces" (1981)
"Zipper Catches Skin" (1982)
"DaDa" (1983)

 

[Texas King]

Off the top of my head:

Queen: Queen II, Sheer Heart Attack, A Night at the Opera, A Day at the Races
Blue Oyster Cult: BOC, Tyranny and Mutation, Secret Treaties and Agents of Fortune
Iron Maiden: The Number of the Beast, Piece of Mind, Powerslave, Somewhere in Time
Rush: A Farewell to Kings, Hemispheres, Permanent Waves and Moving Pictures
Black Sabbath: Paranoid, Master of Reality, Vol. 4, Sabbath Bloody Sabbath
The Who: The Who Sell Out, Tommy, Who's Next, Quad
Alice Cooper: Love it to Death, Killer, School's Out, Billion Dollar Babies

 

[That 70s Guy]

The first 4 Foreigner albums were also pretty great!

Foreigner
Double Vision
Head Games
4

 

[Abraxas]

Tori Amos:
Little Earthquakes
Under The Pink
Boys For Pele
From The Choirgirl Hotel

The Flaming Lips:
Zaireeka
The Soft Bulletin
Yoshimi Battles The Pink Robots
At War With The Mystics

 

[Abraxas]

The Moody Blues:
Days Of Future Passed
In Search Of The Lost Chord
On The Threshold Of A Dream
To Our Children's, Children's, Children

 

[Zombeels]

Face To Face
Something Else
Village Green Preservation Society
Arthur
Lola Vs. Powerman