Howards Max Effort Dual Racing Valve Springs - O.D.: 1.470", I.D.: .800" HYPLLRG11SASM61 2008-2013 Chevrolet Corvette

2008-2013 Chevrolet Corvette

They are easily maintained with a washable filter element

The wing attaches to the helmet using small nylon insert screws

but no brand in particular

Howards Max Effort Dual Racing Valve Springs - O.D.: 1.470", I.D.: .800" HYPLLRG11SASM61 2008-2013 Chevrolet CorvetteCoiled and heat treated in the finest facilities available. Howards research and development teams are constantly updating materials and manufacturing techniques, to provide the best possible valve springs. Howards Cams pioneered many valve spring developments since the 1950's, and are still working with the best engineers and race teams to be on the cutting edge of valve spring technology. The name Howards Cams has been synonymous with high