1.640 NexTek Valve Springs

The 1.640 NexTek Valve Springs from Manley are designed for serious automotive enthusiasts and mechanics who demand high performance from their engines. These dual valve springs are built to optimize engine efficiency, making them an ideal upgrade for those looking to enhance their racing or street performance.

With a robust spring rate of 604 lb/in, these springs are engineered to handle the rigors of high RPM applications. Each NexTek valve spring features a 1.640-inch outer diameter and a coil bind of 1.150 in, ensuring superior stability during operation. Crafted from high-quality materials, these springs are designed to withstand extreme conditions, providing reliable performance even under the most demanding circumstances.

Their dual spring design minimizes valve float while maximizing engine responsiveness, setting the stage for exhilarating power delivery. Ideal for performance tuners and racers, the 1.640 NexTek Valve Springs are compatible with a variety of engine builds, making them a versatile choice for those looking to elevate their engine's performance. These springs are particularly beneficial for high-horsepower setups, providing the necessary support for aggressive cam profiles and advanced tuning.