The 2021 Corvette still can’t be equipped with the optional black Rocker Panel Extensions (RPO STI) pieces, GM Authority can confirm. The optional black Rocker Panel Extensions have been unavailable ...

These rocker panels extensions are available in one of three finishes, each featuring a different price. Carbon Flash is available for $899.99, Carbon Fiber is available for $999.99, and Forged Carbon ...

Changing the rocker arms in your C5 or C6 Corvette may not deliver the dramatic results that a cam swap can, but it's a lot less work. And the power increases you'll experience make the change a good ...