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Big & Ugly Blanks

Big & Ugly Blanks

SKU: JB3B Categories: ,


  • These blank cups simply fit into the injector hat behind the butterflies. Secured with a screw (supplied) and sealer.
  • By reducing the butterfly area it will make your engine less aggressive or in the case of burn out cars will be able be at full throttle without being on the rpm limiter.
  • All the butterflies still operate as normal, they are not visible with the throttle closed.
  • Available in all the same sizes that Big & Ugly injectors come in. 3 3/8″, 4 3/8″, 5″ and 5 9/19″
  • Also available for the Shotgun Injector.

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