Vortec 8100 / 8.1L / 496cid - All Performance Parts
Raylar performance parts provide Vortec 8100 8.1L / 496 MAG engine users with reliable, bolt-on performance. Our products are a simple “plug & play” way to increase the level of power of your engine from 500 to well over 800 HP. Raylar’s state-of-the-art designs and precision manufacturing methods ensure that these engine components will provide long lasting, extremely reliable service for these engines.
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How Much Air Do Raylar Heads Flow?
Raylar big block Chevy / GMC cylinder heads out flow every 8.1L cylinder head on the market. Click on the image to see a larger version.