A Close Look at Speedmaster's Roller Rockers

Have had a set of those on my 73 Duster for about a year and half....was bracket racing it on and off.....used stock eddy heads with stock springs....cam is an older hughes hydraulic with 550/570 lift,,,the bolts were too long so i used a different set....used some .015 and .030 spacers to adjust the alignment....outside of that they have worked great...