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Category : A- Small Block "LA"
BIGMOUTH ADDED TO S3 CNC PORTED HEADS
Bigmouth Ports: We open up your intake ports to the BigMouth size. The original pushrod tunnel is plugged and moved over .350". The intake ports are then CNC ported up to the bowl to take advantage of the extra flow potential.
You will need the .350" offset BigMouth rocker arms and slightly longer pushrods - 3/8" Diameter suggested. These parts are not included.
HUG 15093 - 1.6 Ratio Rocker Arms w/.350" offset (LA Heads)
HUG 7440 - Hold Down Kit (LA Heads)
HUG 1557 - 1.6 Ratio Rocker Arms w/ .420" offset (Magnum Heads)
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