Guess the HP

hush thrush cost 9 bucks then i think the blackjackss where 59 i think from midwest
yup iam old


Yep I had a set on my 1972 duster way back when. I still have the 1/4 inch horseshoe shims I used on my motor mounts to give me a little more clearance. They were 59.00 for a long long time. That and the deal they had on tunnel rams and 600cfm Holley carbs. Lol