AFR 300cc Magnum BBC cylinder heads are suggested for aggressive builds. They boast 100 percent CNC-ported intake, exhaust, and chambers—as well as A356 aluminum casting, and high-quality components throughout. These oval port competition packages are available with hydraulic or solid roller springs.

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Trick Flow Cylinder Head, GenX 260, CNC Comp Port, Assembled, 70cc CNC Chamber, 370 Lb. Springs, Ti Retain, GM LS, Each

Trick Flow Cylinder Head, GenX 260, CNC Comp Port, Assembled, 70cc CNC Chamber, 370 Lb. Springs, Ti Retain, GM LS, Each

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