I got a set from Inline tube years ago.
It was for a 78 4wd
Everything fit perfect.
I even remember them sending me a special-order line.
I guess they're not the company they used to be.
GMC Paul's has a better price if you wind up having to purchase the whole set.
Link below.
https://gmcpauls.com/67-72_blazer___...es_&_hoses.htm