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.
Our aluminum cnc cylinder heads out flow every other head on the market. More >
Forged connecting rods eliminate the weak link in your high powered engine. More >
Forged pistons with deep valve reliefs for high-lift camshafts and reliablity under boost. More >
Raylar stainless steel roller rockers add power by reducing friction. More >
Raylar's 511 & 540 stroker kits will turn your 8.1L / 496 into a torque monster. More >
Want a new camshaft? Add these high-lift springs to ensure valvetrain reliability. More >
Carbureted intake manifolds make hot rod engine swaps cheap and easy. More >
Get more cubic inches out of your engine with our 4.5" crankshaft. More >
Our GEN7R intake manifold improves power throughout the powerband. More >
Headers improve breathing, making maximum power from your performance parts. More >
Shorty headers improve exhaust flow and pass smog in all 50 states. More >
Performance spark plug wires for both street and marine specific applications. More >
Raylar Performance Videos
More Raylar VideosHow 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.