Years ago, MP used to sell March pulley sets. When they quit, they were selling them off cheap. I picked up a few different sets with that smaller lower pulley and have used it on a couple of street cars. They are quality pieces.
64 Dodge Coronet 440. In progress 1998. Dodge Avenger. 8.35@165. 4400 DA 250” Neil and Parks Slip Joint. 7.36@183. 4600 DA 242" Mullis Dragster. 6.90@ 200mph