The B version can work in an 86 I believe.
I used a new hose I got from my FLAPS  - by matching hoses.

On 6/21/2012 6:57 AM, Tom Rowsell wrote:
> It seems this hose, from coolant tower to right front head is either NLA or
> out of stock at most vendors. My '86 takes the A version...I don't think
> the B would work or fit too well. The common NAPA cross reference list
> that's floating around lists an alternative for the B version only.
> ...just wondering if anyone's tackled this lately ?
>
> Thanks
> Tom
>