GM splayed-valve 'baby Rat' 45cc heads?
GM splayed-valve 'baby Rat' 45cc heads?
Is anyone running these p/n 24502517 240cc intake runner heads from GM?
GM says you have to use an aftermarket intake manifold or fabricate one ... who makes them?
GM says you have to use an aftermarket intake manifold or fabricate one ... who makes them?
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