RX4

Building and Tuning Coilover's for Classic Japanese Cars is something that we have offered for the past 20 years! Over that time, we've tested lots of Shock and Spring options to find what works best...

Our 45MM Weld On Coilover Kit is the exact same kit we use on all of our coilover conversions. It includes the longer sleeves, weld on perches, upper hats, and your choice of spring rate!  The kit...

We are happy to release our camber plates specifically designed for the 1st gen RX7. Since the SA and FB guys are really stepping up their interest, we've re-designed the camber plates to fit the SA,...

We now offer 3 different levels of Rear Short Stroke Shocks to fit your budget and specific driving needs! Now….what’s the difference in these 3 damper choices? I’m sure it can seem a bit confusing...

  Techno Toy Tuning Velocitiy Stacks for the Weber, Mikuni, and Solex carburetors. Solid billet construction, these are machined from one piece of aluminum from beginning to end. Fully radiused mouth...

  Swift is a high end manufacturer of coil springs from Japan and provides top quality products. Swift's Springs are wound with less coil than competitors allowing for more stroke and reduced...

Do you like to run your car low and deal with an excessive amount of droop that unseats the springs? Or maybe you're just tired of hearing a clunk when 3 wheeling out of driveways. Our new HyperCo...

  HyperCo Coilover Springs are the top choice of winning race car drivers and drifters worldwide! Proven in Indy, IMSA, and F1 to perform consistently, season after season. Advanced metallurgy,...

We have curated a bolt kit featuring the most common sizes used on any Mazda! Replacing old corroded pieces with fresh ones not only dresses your car up nicely but makes future work a lot...

Our Toe Plates are a quick way to adjust your cars alignment at the track! With the plates resting against your wheels, you can simply use 2 tape measures to adjust your cars toe in or out! We also...