V8 Roadsters adjustable end links are designed to work with all Miata models (MX5 NA, NB, NC, ND) and the Mazda RX8 and can be used with all style sway bars, from stock ride height to lower race heights. Designed to last and built with high-grade performance materials. 6061-T6 anodized turn buckles with left and right-hand threads for easy adjustment on the car. American made 4130 heat-treated chrome-moly rod ends are PTFE lined for years of maintenance-free service. 6061-T6 anodized spacers for proper bar alignment and angularity with grade 8 zinc hardware. End links work in both single and double shear-style arms.