TODA RACING Up Rated Valve Springs For NSX C30A C32B TODA C35B 14750-NSX-001Brand TODA RACING Series Name Up Rated Valve Springs Product Number 14750 NSX 001 Compatible Car NSX Compatible Models C30A C32B TODA C35B Product Description The need for increased performance has lead TODA RACING to design a single progressive coil spring to replace the STD double valve springs. As well as allowing valve lifts of up to 2. 5mm, the material and the coil springs natural frequency have all been optimized. Egg shaped springs are used to