ARP Header Bolt Kit 12pt Mopar 5.7/6.1L Hemi 111006 optimized winding resistance and turns

optimized winding resistance and turns ratios to deliver 10-15% more energy than the OEM ignition coils

pilot and driver are aluminum

Kit includes aluminum box mount

12 Point Hex Head

ARP Header Bolt Kit 12pt Mopar 5.7/6.1L Hemi 111006 optimized winding resistance and turnsARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Header Bolt 8 mm x 1. 25