Moroso Ultra 40 Race Wire - S.B - Chevy Sleeved Under Header - 90 Plug - HEI YA0817 It is inherently flame resistant

It is inherently flame resistant

Specially designed for Moroso's DuraBillet and Drag Race Distributors

Side B is AN-12To us

Better throttle response

Moroso Ultra 40 Race Wire - S.B - Chevy Sleeved Under Header - 90 Plug - HEI YA0817 It is inherently flame resistantThe most powerful and RFI EMI resistant ignition wire available for racing today bar none! From dual mag Fuelers and high compression Comp Cars, to the demands of Cup Racing, Moroso Ultra 40 establishes a new standard for ignition wire performance that has the competition scrambling to catch up! At 8. 65mm and 40ohms of resistance per foot, Moroso Ultra 40 Race Wire incorporates a spiral wound nickel copper alloy conductor wrapped at the optimum ratio