SPL Parts TITANIUM Series Rear Upper Control Arms (Camber Arms) – Mazda Miata NA/NB 1989-2005
Made in the USA – Built for Track and Street
SPL’s Rear Upper Arms (RUA) are precision-engineered to deliver a broad range of camber adjustment for lowered Miatas or aggressive performance alignments. Whether you're dialing in rear grip for the track or perfecting your stance setup, these arms provide maximum clearance, easy adjustability, and elite race-grade construction.
✅ Wider Camber Range – ideal for slammed setups or motorsport alignment
✅ Offset Clevis Design – prevents binding on lowered cars
✅ Double Adjuster System – makes fine-tuning alignment quick and hassle-free
✅ 4130 Chromoly + Titanium + Aluminum – incredibly strong, ultra lightweight
✅ Professional TIG Welded in the USA – built to last with precision and strength
✅ Sold as a pair – ready to install
✅ Maintenance-Free NCT Bearings – with Carbon Fiber Teflon liner
Features:
• Lightweight CNC-Machined 4130 Chromoly Tubing (1.25")
• Electroless Nickel-Plated 4130 Chromoly Double Adjuster
• Blue Anodized Titanium Hardware
• 6061-T6 Aluminum Rotating Clamps
• Powder Coated Black Finish – corrosion-resistant, durable
• Grade 12.9 Dacromet-Coated Threaded Rods
• CAD Designed with FEA (Finite Element Analysis)
• Next Gen SPL NCT Bearings – low-friction & self-lubricating
Fitment:
• 1989–1997 Mazda Miata (NA)
• 1999–2005 Mazda Miata (NB)
For replacement rod ends, search: SPL Rod Ends
These arms are a direct replacement for your factory rear upper links and are a must-have for serious performance builds or aggressively lowered Miatas.