ARP NASCAR Speed Nuts Lug Nut Kit - Fine Thread 5/8-18 - (10 Pack) Deutsch Connector optimized winding resistance and turns

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

Brackets have 3/8" mounting holes

17 in Long x 2 in Tall x 3 in Wide

1975-1990 Cadillac Fleetwood

ARP NASCAR Speed Nuts Lug Nut Kit - Fine Thread 5/8-18 - (10 Pack) Deutsch Connector optimized winding resistance and turnsDesigned for professional racing environments where split second improvements in pit stop times can make the winning difference, and reliability is an absolute must. ARP Speed Nuts feature a profiled nut face for easy installation, quicker socket releases and resistance to jamming. They are made from premium heat treated chrome moly that nominally rated at 190, 000 psi tensile strength, shot peened to remove stress risers and double magnafluxed after