Fitment Information
- Mazda Miata NA (1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997) with OEM manual steering rack
- Mazda Miata NB (1999, 2000, 2001, 2002, 2003, 2004, 2005) with OEM manual steering rack
Fitment Note
This SPL tie rod end kit is for Miatas with the factory manual steering rack only. It does not fit cars with an OEM power steering rack, even if the power steering system has been disabled.
Specs and Features
-
Adjustment
- Bumpsteer-adjustable outer tie rod end kit
- Relocates the tie rod end pivot with included spacers
- Helps reduce dynamic toe change as the suspension moves
- Helps improve stability over rough roads, curbing, and mid-corner bumps
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Construction
- 6061-T6 aluminum turnbuckles
- 4140 chromoly steel tapered studs
- 304 stainless steel 1/8-inch and 1/4-inch spacers
- Anodized titanium hardware
- Maintenance-free, self-cleaning FK PTFE-lined spherical bearings
-
Kit Details
- Manufacturer part number: SPL TRE NAMR
- Sold as a pair
- Approximate weight: 2.52 pounds per side
- Made in the USA
Product Description
SPL Parts Adjustable Tie Rod Ends give manual-rack NA and NB Miatas a way to correct bumpsteer after changing ride height or suspension geometry. The kit moves the outer tie rod pivot with included spacers, which helps reduce toe change as the suspension compresses through corners, bumps, and track curbing.
Less bumpsteer makes the car feel more predictable when the front suspension is working hard. The kit uses lightweight 6061-T6 aluminum turnbuckles, chromoly studs, titanium hardware, and maintenance-free FK spherical bearings for a direct and durable connection at the steering knuckle.
Setting Up Bumpsteer on Your NA or NB Miata
This is a geometry-correction part, not a simple replacement tie rod end. It is especially useful on lowered Miatas, but the correct spacer setup depends on your ride height and suspension configuration. Have the toe set after installation and make sure the steering wheel is centered before driving the car.
SPL notes that these tie rod ends are not a significant source of added noise or harshness. The biggest change is a more consistent steering feel when the suspension travels.
Related Suspension Upgrades for Your NA or NB Miata
- Whiteline adjustable sway bar end links for Mazda Miata NA/NB - Help keep the sway bar from being preloaded after changing ride height.
- Rev9 Hyper Street II coilovers for Mazda Miata NA/NB - A height-adjustable coilover setup that makes bumpsteer correction more relevant on a lowered Miata.
- Megan Racing rear upper camber control arms for Mazda Miata NA/NB - Add rear camber adjustment to help finish the alignment after suspension changes.
About SPL Parts
SPL Parts designs and manufactures adjustable suspension components for street, track, drift, and motorsport builds. Its vehicle-specific parts use quality materials and spherical bearings to reduce unwanted deflection and give drivers more control over suspension geometry.
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