Want the straight plugs try Edelbrock e-street cylinder head

http://www.edelbrock.com/automotive_new/mc/cylheads/chrysler/bb_estreet.shtml

Same flow as the RPM but straight plugs


Tom ,

2011 Ram 3500 C&C Diesel
2009 Challenger R/T
1971 Challenger Conv. 511/4 speed
1970 Challenger R/T 503/727