Engine - Cylinder Heads - Cylinder Head Aluminum Fast Burn

From GM Performance - Technical Note: Use intake manifold P/N 12496820, P/N 12366573, 12496822, or 10051103 with the Fast Burn cylinder head. Use intake manifold Gasket P/N 12529094 and eight attaching bolts P/N 12550027. Use Fel-Pro exhaust gasket P/N 1407 for these Fast Burn heads (some trimming may be required for your application. This head includes intake valves P/N 12555331, exhaust valves P/N 12551313, vavle spring cap P/N 10212808, and valve springs P/N 12551483. Exhaust headers with LT1/LT4 style flanges are required.