Best lifter alternative to pro-magnums
was running the comp 863 pro-magnum lifters.......found two with the push rod plunger retainers broken after 5yrs of service.......
really dont want to chance that the remaining ones are gonna hold.......whats the best alternative lifter????
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71 GTO, 463, KRE 295 cfm heads ported by SD Performance, RPM intake, Qjet, Dougs Headers, Comp cams HR 246/252 ...11 to 1 , 3.55 cogs, 3985lbs.....day three- 11.04 at 120mph ....1.53 60', 6.98 1/8 mile
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