i use autolites in my hemi 65's hot for drivin around 64's race on motor and 63's for the spray on pumpgas !!!!! hope this helps , they are cheap also like 14.94 for a set of 8 !!!!

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