While making our usual rounds of race shops, we came across a problem that plagues many racers and unnecessarily costs them lots of money-and we thought we'd share the solution with you. While ...

Performance is all about pushing the envelope. As camshafts become more aggressive in the search for more power, these lobes make life increasingly difficult for valvesprings. This may seem like a ...

Although the basic purpose of a valvespring is to close the valve while also ensuring that the valvetrain stays in contact with the cam lobe, it must perform this feat under grueling conditions that ...

Drivers of 2005-06 Buick Rendezvous and Terraza, Chevy Uplander and Pontiac Montana SV6 minivans with 3.5-liter V6 engines may come into your store with a complaint of a stumble or hesitation at ...