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These hex head style valve cover nuts from Speedmaster make valve cover installation and removal easy and hassle-free
It accepts a stock Quadrajet carb but we also include an adapter plate for standard square bore carbs
from performance street to competition use
all our models include a 0-90 ohm GM sending unit
Chevy LS3 4.125" 427ci Forged Rotating Assembly Kit [4.065] These hex head style valve
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