GM
racing design for use on
as-cast rectangle port Gen IV
cylinder heads
As-cast design requires no
port matching for optimum
performance
Includes
mounting bolts and
instructions
Uses new
L92/LS3 intake gaskets
19172114 (not included)
Machined for 4150 square
bore style carbs. Has 3/8"
NPT vacuum port for booster
etc
Also available
with injector bosses 25534416
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