Actually cheapest place to buy them is off the 2 companies selling on ebay. Do a search for AMC roller rockers and they all pop up. The Angus are like $180 Scorpions $210. My preference is towards the Angus but here the Scorps are very good also. The Angus are available in 3/8 or 7/16 depending on stud size and 1.6 or 1.7 ratio depending on cam lift. You'll need 1.6 ratio as I'm sure your not drag racing your Jeep. My brother uses the Angus in his 401 drag Javelin.
"I'm sick of this sickness, don't touch me you'll get this."
1984 GWag "orphan" for sale
2 x 1975 Matador "murder machines"
1970 SST390 Javelin 10 yr project!