Chevy LS3 1.600" STD 8mm Stainless Steel Exhaust Valves Made from high quality steel

Made from high quality steel and will install without any modifications

Fits big block Chevy rectangular port cylinder heads on standard deck blocks

This new setup ensures a more 'crisp' shift

These housings can be flipped 180 degrees for either a left or right outlet location

these spacers can handle anything your vehicle can dish out

Chevy LS3 1.600" STD 8mm Stainless Steel Exhaust Valves Made from high quality steelWhen it's time for valves, don't cut corners. Get genuine Speedmaster stainless steel valves. They're made from a tough, stainless steel alloy and are carefully designed to increase gas flow for more power. What's more, they have hardened stem tips for durability and are swirl polished.