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.

vortec 8.1l 496 camshafts
Camshafts >

We've developed a full range of camshafts to suit every application. More >

vortec 8.1l 496 cnc aluminum cylinder heads
CNC Cylinder Heads >

Our aluminum cnc cylinder heads out flow every other head on the market. More >

vortec 8.1l 496 forged connecting rods
Connecting Rods >

Forged connecting rods eliminate the weak link in your high powered engine. More >

vortec 8.1l 496 forged flycut pistons
Forged Pistons >

Forged pistons with deep valve reliefs for high-lift camshafts and reliablity under boost. More >

vortec 8.1l 496 roller rockers
Roller Rockers >

Raylar stainless steel roller rockers add power by reducing friction. More >

vortec 8.1l 496 stroker kits
Stroker Kits >

Raylar's 511 & 540 stroker kits will turn your 8.1L / 496 into a torque monster. More >

vortec 8.1l 496 valve spring kit
Valve Spring Kit >

Want a new camshaft? Add these high-lift springs to ensure valvetrain reliability. More >

vortec 8.1l 496 carburetor intake manifold
Carb Intake Manifolds >

Carbureted intake manifolds make hot rod engine swaps cheap and easy. More >

vortec 8.1l 496 crankshaft
Crankshafts >

Get more cubic inches out of your engine with our 4.5" crankshaft. More >

vortec 8.1l 496 efi intake manifold
EFI Intake Manifolds >

Our GEN7R intake manifold improves power throughout the powerband. More >

vortec 8.1l 496 long tube headers
Long Tube Headers >

Headers improve breathing, making maximum power from your performance parts. More >

vortec 8.1l 496 short tube headers
Short Tube Headers >

Shorty headers improve exhaust flow and pass smog in all 50 states. More >

vortec 8.1l 496 spark plug wires
Spark Plug Wires >

Performance spark plug wires for both street and marine specific applications. More >

Raylar Performance Videos

More Raylar Videos

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.

raylar aluminum cnc cylinder head flow