The engineers at Performance Online, Inc. (POL) have just designed another great upgrade for early Nova front suspensions. These Billet aluminum adjustable shock towers are the key to fine tuning your street or strip Nova while maintaining a great looking engine compartment. These shock towers are supreme in shocking adjustablility. The adjustable shock towers allow over two inches of adjustment to dial in your Nova’s front-end rise during acceleration. Made of T6061 aluminum, the billet shock towers come completely polished and ready to install with no other modifications required.