302 head question
The early letter castings have very big letters raised up by the spark plug holes. In the top picture, you can see the "J". This is a '72 head. The next shot ( bottom) is a 318 with the number "5". This is a '79 head.
The early letter castings have very big letters raised up by the spark plug holes. In the top picture, you can see the "J". This is a '72 head. The next shot ( bottom) is a 318 with the number "5". This is a '79 head.