F.A.S.T. FireBall HI-6S Ignition Box Fresh Air System Motor The wrap around shoulder harness

The wrap around shoulder harness is designed to mount by looping around a roll bar structural tube running horizontally behind the driver and below the shoulders

1958-1972 Chevrolet Brookwood

1980-1980 Chevrolet P20

1999-2003 GMC Sierra 2500

In recent years various fuel manufacturers have added any number of new unpublished additives to their blends rendering some of them incompatible with synthetic rubber lined hose

F.A.S.T. FireBall HI-6S Ignition Box Fresh Air System Motor The wrap around shoulder harnessFor computer controlled cars trucks without vacuum advance. Triggers from stock electronic ignition. Easy Plug n Go installation. Not compatible with distributorless ignitions. 50 states legal CARB E. O. , D 225 59. HI 6S Multi Spark IgnitionNew! Plug n Go installation for 4, 6, 8 cylinder with distributor Up to 70% more spark gap energy than stock ignitions! Max output up to 8, 000 RPM for up to 9. 5: 1 comp. ratio! New! Soft urethane encapsulation