ive had them on my hemi since 2003 close to 10,000 miles and 300 passes , no problems, best investment for a hemi , mine are spray bar oiled, 245 lbs 600 open pressure still have the same pushrods and rockers on my 1400 hp procharged hemi

606 hemi pump gas best 9.60 at 142mph on motor
05 hemi daytona 1500 go-mango 4wd quadcab
2007 hotrod mag pump gas drags runner up, roadkill nights dodge big tire winner 2018 2019 back to back