Originally Posted by 572charger
yes im glad i did by the ray barton stuff in 2003, almost 20 yrs of beating the crap out of them on the street and track no wear at all, and the valve springs last because of all the oil being sprayed in the valve cover ,730 lift roller, cam and at least 12000 miles on the rockers and pushrods best investment for my hemi and they never come out of adjustment set um and forget um lol


Agreed, mine are from 2007ish with thousands of street miles and over .800 lift roller shifting at 7600.

1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
2004 3500 Dually Cummins 4x4
2012 Challenger R/T Classic.