SPL Parts Bumpsteer adjustable Front Tie Rod End (TRE) Kit for Manual Rack NA and NB Miata. Our Front Tie Rod Ends (TRE) allow the tie rod end pivot to be relocated, which will correct bump steer resulting from modified caster or lower arm geometry, thus reducing lap times. Inner Tie Rods are also included. Sold as a pair. Made in the USA. SPL Parts Front Tie Rod Ends Features: FK Teflon lined Rod Ends provide maximum articulationElectroless Nickel plated hardened 4140 Chromoly tapered studs for precise fitment in the knuckle1/4" and 1/8" Stainless Steel spacers to fine tune bumpsteerBlack Anodized CNC Machined 6061-T6 Billet Aluminum curved turnbuckle with SPL logo Applications: 1989-1997 Mazda Miata (NA) 1999-2005 Mazda Miata (NB)