Scotch, 82 and 84 Vettes had Cross Fire Injcetion. It has 2 throttle body injectors. O Rings are for the injectors. Always keep a few extra just in case you split one.
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Mannnn... You Must Be Fast, Because You Were Haulin ASS When I Passed You!!
1984 Z51 Coupe A/T with factory 3.07 rear axle. Mods: Hi-Flow Cat and K&N Filtercharger
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