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Your cart is empty.This 1" Phenolic adapter that allows the Holley #R4412 2BBL carb to be mounted on 4BBL manifolds that have the standard Holley bolt pattern. These spacers are adjustable front to rear for fine tuning. Comes with all necessary hardware and has threads that are Heli-coiled.
Mike
September 7, 2025
I used this to adapt a holley 4412 2 barrel onto a 4 barrel aluminum intake on a race car. the machining is quality, no rough edges and the hardware is nice with good chrome. you cant go wrong for the price.
me
November 13, 2024
A NASCAR Super Late Model
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