Tomei Heavy Duty Valve Spring Set (Type A, 173001) To Suit The Nissan Skyline R32 GTR (RB26DETT), R33 GTR (RB26DETT), R34 GTR (RB26DETT) & Stagea WGNC34 260RS (RB26DETT). To ensure precision valve activation high quality spring are required, especially in the high rev range and high output engines. Tomei have developed a product with the most careful selection of the material, coating and the other technologies to ensure your vehicle is operating to its full potential. *These are suitable for use with camshaft profiles of up to 10.85mm of lift |