Mast Motorsports Ls3 L99 Track Packages Cylinder Heads
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Time to bring in the big guns. These are the Mast Motorsports L92/L99/LS3 12-degree cylinder heads, which flow 351 cfm at .600 inches of lift and feature CNC-ported intake and exhaust ports. With 69cc CNC-ported chambers, these heads perfectly complement the Stage III camshaft that Mast has engineered. View Related Article
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