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Holley 300-267
Holley Mid-Rise Plenum Base Adapter Kit - GM LS1/LS2/LS6; The Modular Mid-Rise intake utilizes the popular Holley LS1/LS2/LS6 cathedral port Mid-Rise 2 x 4 intake manifold along with a plenum base adapter and a Holley 92MM EFI plenum top which converts it into a Mid-Rise EFI intake manifold.
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Holley 300-267BK
Holley Mid-Rise Plenum Base Adapter Kit - Black; Mid-Rise Plenum Base Adapter Kit - GM LS1/LS2/LS6 - Black
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