2007 Suzuki DR-Z400 Cylinder Head
- Kibblewhite®Cylinder StudsSuzuki DR-Z400E / DR-Z400S / DR-Z400SM 2007, Cylinder Studs by Kibblewhite®. KPMI High Performance Cylinder studs are made from 180,000 psi yield strength, fine grain, heat treated, premium grade 8740 material. Threads are rolled after...Studs are heat-treated 180,000 psi aircraft alloy steelNuts are machined from billet high-tensile steel and heat-treated$81.42