.5 mm Oversized ecotec valves

After months of testing we’ve come up with a replacement oversized valve to cat-5 specifications.

Made from 214N stainless, these will be more than capable of standing up abuse.

whether is be circle track naturally aspirated, or high horsepower turbo applications!

Also utilizing a stock 3 groove keeper, there is no need for the additional cost of a single groove keeper, as well as being .5 mm oversized to ensure proper protrusion. (1.590”-1.600”)

The shape of the cat-5 valves are also tailored to the ecotec cylinder head.

Fitting 2.0,2.2, and 2.4 engines.

We have found that some of the big name valve offerings for the ecotec can cause a 10-15cfm loss while on the flow bench.

includes 8 intake and 8 exhaust valves.

price includes shipping