[moparteenchalleneger]

are these for the big block or small block

[Jon]

Can't say for sure but it they are for a small block the rubber section might be set 180 off from the "solid steel" engine mount.

Here's a picture of a 340 passenger side.

[dave-r]

Look rather like big block to me.

[Goldenblack440]

looks like BB but the steel parts are very similar to SB

[moparteenchalleneger]

so they are the big clock one then or is the rubber the big block i have both small and big block this is the resaon why i am asking