12629063 LS3 Cylinder Head Assembly Features:
Aluminum performance head
Head 12615879 is assembled with the following components:
Related Install Parts:
New Coil on Cover Holley Valve Covers
GM Performance LS Head Bolt Package
GM Performance LS Head Gaskets
GM LS Valve Cover Bolts with Seal
GM LS Valve Cover Gasket Seal
GM Performance Intake Manifold Gasket Seal Kit GM Performance Exhaust Manifold Gasket GM Performance CNC LS3 Cylinder Heads
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