Holley power valves have long been criticized for their alleged tendency to "blow out" when the engine backfires. Cynics would say that if the engine was properly tuned and maintained in the first ...

There's much to be said for technology-it certainly has had an impact on the performance of new cars and trucks. But there's also a fair amount to be said for simplicity. Just because something is ...

Navistar Inc has acquired from Holley Performance Products Inc certain assets including intellectual property rights to some of Holley’s valve technology for diesel engine exhaust gas recirculation ...

COLUMBIA, S.C. — Navistar has acquired certain assets from Holley Performance Products, including intellectual property rights to some of Holley’s valve technology for diesel engine exhaust-gas ...

Navistar has acquired certain assets of Holley Performance Products, including the intellectual property rights to some of its exhaust gas recirculation valve technology. Pure Power Technologies, a ...

Navistar has acquired intellectual property rights to exhaust recirculation gas valve technology for diesel engine exhaust gas recirculation systems from Holley Performance Products. Its Pure Power ...