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Holley EFI 300-680-120K
LS3 (Rectangle) Ultra Lo-Ram Natural Kit with 102mm TB and 120lb injectors; LS3 (Rectangle Port) Ultra Lo-Ram Natural Kit with 102mm Sniper Throttle Body and 120lb USCAR (EV6) high impedence injectors
Holley EFI 300-680-42K
LS3 (Rectangle) Ultra Lo-Ram Natural Kit with 102mm TB and 42lb injectors; LS3 (Rectangle Port) Ultra Lo-Ram Natural Kit with 102mm Sniper Throttle Body and 42lb USCAR (EV6) high impedence injectors
Holley EFI 300-680-100K
LS3 (Rectangle) Ultra Lo-Ram Natural Kit with 102mm TB and 100lb injectors; LS3 (Rectangle Port) Ultra Lo-Ram Natural Kit with 102mm Sniper Throttle Body and 100lb USCAR (EV6) high impedence injectors