For Datsun enthusiasts, the S30 (240Z, 260Z, and 280Z) is a masterpiece of design, but its factory suspension is a relic of the past. If you’re chasing precision handling and massive braking power, the original equipment simply won’t cut it. To truly unlock the potential of the chassis, you have to start at the corners. Upgrading to Apex Engineered S30 Spindles is the most direct path to eliminating component flex, simplifying your coilover install, and creating a track-ready foundation.
If you prefer the classic 4-lug aesthetic but demand a “zero-slop” experience, our Front S30 Spindles are the solution. Factory spindles are notorious for being bent, corroded, or requiring permanent “cut and weld” modifications to fit modern dampers. Most enthusiasts dread the process of hacking off their factory tubes just to weld on a coilover sleeve—a process that introduces heat stress and the potential for alignment errors.
We’ve re-engineered these S30 Spindles from high-strength chromoly with fully threaded bodies. Your coilovers thread directly into the spindle, streamlining the installation and providing a much more rigid connection than a welded-on sleeve. You keep your factory-style hubs and brakes, but gain a chassis that feels sharp, connected, and significantly more durable. This is the ideal choice for the restomodder who wants to maintain the visual DNA of the 240Z while benefiting from metallurgy that is decades ahead of the original cast iron components.
To match a sharpened front end, your rear geometry needs to be equally stout. Our Rear S30 Spindles replace the aging factory cast iron with a high-strength, threaded-body design. The rear of the S30 is often overlooked, but it is where the car handles the most load during hard acceleration and corner exit.
These S30 Spindles are built to survive the increased lateral loads of high-grip tires. By switching to our threaded rear spindles, you gain the ability to dial in your ride height with millimeter precision without compromising your shock travel. They are a direct fit for your original stub axles and bearings, serving as the perfect backbone for a modern disc-brake conversion. Because these units are machined to such tight tolerances, you eliminate the “binding” often found in old, warped factory spindles, ensuring your suspension moves freely through its entire arc.
Why settle for vintage specs when you can adopt 21st-century geometry? Our 370Z Front Spindle Conversion is designed for builders who want a 5-lug hub and supercar-level stopping power. This setup allows you to run bolt-on 370Z front wheel bearings and the massive Akebono Sport brake package.
These S30 Spindles feature a threaded sleeve that integrates directly with Apex, BC Racing, or Feal coilovers. It’s a complete evolution for your front end that requires zero welding, providing a level of stiffness and braking performance the original engineers never dreamed of. By moving to this modern hub standard, you also open up a massive library of wheel options that the traditional 4-lug Z-car simply cannot access. This conversion isn’t just about strength; it’s about giving yourself the mechanical freedom to run aggressive offsets and high-performance rubber with total confidence.
Choosing Apex Engineered S30 Spindles means choosing a “fabrication-free” future for your build. We understand that not every enthusiast has a welder or a jig in their garage. By using a threaded-body design, we’ve effectively turned a custom fabrication nightmare into a straightforward bolt-on upgrade.
Our spindles are crafted from premium chromoly, which offers a much higher strength-to-weight ratio than the 50-year-old cast parts originally found on the 260Z or 280Z. This rigidity is critical because it ensures that your alignment settings remain consistent under high-G loads. When you dive into a corner, these S30 Spindles won’t flex, meaning your contact patch stays flat and your steering feedback stays crystal clear. Every set is finished in a durable powder coat, available in multiple colors or even a color of your choosing, to ensure your suspension looks as good as it performs for years to come.
Don’t let outdated hardware hold back your build. Whether you’re chasing podiums or perfecting your street project, these spindles provide the structural integrity and adjustability your Z deserves. Stop settling for “good enough” and start driving a car that is truly engineered for the limit.
Front Spindles | Rear Spindles | 370Z Spindle Conversion Kit
