Description
Peterson’s adjustable vacuum regulator is on the leading edge of engine management. It has been proven to regulate crankcase vacuum and hold a steady level through extensive testing. Vacuum can be regulated from as high as 29.7 in/hg down to 2 in/hg. Retro kit available to switch your regulator to the new design. Fits -12 port AN. Includes aluminum weld bung for valve cover.
ADJUSTABLE VACUUM REGULATOR. ALLOWS FILTERED AIR INTO ENGINE TO REGULATE CRANKCASE VACUUM FROM 29.7 IN/HG TO 2 IN/HG INCLUDES ALUMINUM WELD IN BUNG








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