Karcepts ND Front Sway Bar Kit

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  • Regular price $750.00
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**Email sales@karcepts.com to get on the in stock notification/wait list for the 1.13" and 1.25" bars. We will invoice you once in stock and ready to ship.**

Designed for serious competitors, the Karcepts ND Front Sway Bar Kit leaves no compromises on the table. Hundreds of hours of design time have gone into this kit utilizing CMM technology and FEA analysis. The end result is a 2016+ Mazda MX-5 Miata Front Sway Bar Kit that offers super quick adjustability, an enormous adjustment range, maximum stiffness with minimal weight, and minimizes installation time/difficulties (when choosing to cut the factory sway bar during removal).

  • Sway bar rate is adjusted with one wrench, in only a few minutes
  • Rate adjustments are made with the vehicle on the ground, even at low ride heights
  • 9 possible adjustment settings, maximizing tunability and overall range
  • Billet aluminum arms optimized for strength and weight utilizing the latest FEA software
  • Light weight, zero deflection solid sway bar mounts provided for precise feel
  • Low friction, greasable, solid polymer bearings eliminate bushing bind
  • Heat treated and plated steel alloy PTFE lined endlinks and all hardware included
  • Splined 1.25" diameter x 0.75” gun drilled spring steel sway bar center section
  • Center section available in 1.07" turn down, 1.13" turn down, and 1.25” (no turn down)

View the installation instructions for any potential install/fitment questions you may have: Karcepts ND Front Sway Bar Kit Installation Instructions

Sway Bar Rates:

OE ND Front Sway Bar = 132 lbs/in

Karcepts ND Front Sway Bar Kit - 1.07":
Hole 1/1 = 389 lbs/in
Hole 1/2 = 411 lbs/in
Hole 2/2 = 434 lbs/in
Hole 2/3 = 461 lbs/in
Hole 3/3 = 488 lbs/in
Hole 3/4 = 520 lbs/in
Hole 4/4 = 553 lbs/in
Hole 4/5 = 591 lbs/in
Hole 5/5 = 630 lbs/in
Kit Weight = 11.4 lbs

Karcepts ND Front Sway Bar Kit - 1.13":
Hole 1/1 = 505 lbs/in
Hole 1/2 = 534 lbs/in
Hole 2/2 = 564 lbs/in
Hole 2/3 = 599 lbs/in
Hole 3/3 = 634 lbs/in
Hole 3/4 = 676 lbs/in
Hole 4/4 = 718 lbs/in
Hole 4/5 = 768 lbs/in
Hole 5/5 = 818 lbs/in
Kit Weight = 12.4 lbs

Karcepts ND Front Sway Bar Kit - 1.25":
Hole 1/1 = 655 lbs/in
Hole 1/2 = 693 lbs/in
Hole 2/2 = 731 lbs/in
Hole 2/3 = 776 lbs/in
Hole 3/3 = 822 lbs/in
Hole 3/4 = 876 lbs/in
Hole 4/4 = 931 lbs/in
Hole 4/5 = 996 lbs/in
Hole 5/5 = 1061 lbs/in
Kit Weight = 14.1 lbs

ND Front Sway Bar Center Section Recommendations:
1.07": 205-225mm tire widths
1.13": 235-245mm tire widths and -2.0 to -3.5 degrees front camber
1.25": 245-255mm tire widths and -3.5 to -4.5 degrees front camber

Simply put: the greater the grip => the more front bar will be required

Through new manufacturing techniques and tons of real-world testing, Karcepts has developed three rate specific center sections for the ND chassis. Previously we had offered uniformly tubular center sections with differing wall thicknesses. These were industry standard material offerings that got us close to desired sway bar rates, but not exact. We are now manufacturing all center sections starting as a 1.25” O.D. x 0.75” gun drilled (0.250” wall thickness) bar, and then turning down the middle portion to achieve very targeted sway bar rates. Our prior 1.25" O.D. x 0.095" wall and 1.25" O.D. x 0.120" wall bars have now been replaced by a hybrid 1.07" turned down bar. This new bar has been specifically developed for SCCA CS (C Street) trim vehicles, allowing competitors to tune the chassis around any surface condition, course design, or driving style. Hole 3/3 (the middle setting on each arm) is the ideal starting point on this bar for a CS trim ND chassis running 225mm 200TW tires. Our recommended bar for fully prepped SCCA STR (Street Touring Roadster) vehicles has remained unchanged, being a uniform 1.25” O.D. x 0.75” gun drilled bar, with the middle hole settings also serving as a great starting point. We now have a 1.13” turned down bar to exactly split the difference between extremes, which are for those customers not conforming to a specific rule set, but looking for a front bar to accommodate 235-245mm tire widths, yet not going too extreme with front negative camber.

Before purchasing a Karcepts Sway Bar Kit, we recommend all potential customers read our Sway Bar Disclaimer/Maintenance page as well as our Terms & Conditions.

 

Previously supplied, but now discontinued, tubular center section sway bar rates provided below for reference:

Karcepts ND Front Sway Bar Kit - 1.25" O.D. x 0.095" Wall:
Hole 1/1 = 363 lbs/in
Hole 1/2 = 384 lbs/in
Hole 2/2 = 405 lbs/in
Hole 2/3 = 430 lbs/in
Hole 3/3 = 456 lbs/in
Hole 3/4 = 486 lbs/in
Hole 4/4 = 517 lbs/in
Hole 4/5 = 553 lbs/in
Hole 5/5 = 589 lbs/in

Karcepts ND Front Sway Bar Kit - 1.25" O.D. x 0.120" Wall:
Hole 1/1 = 432 lbs/in
Hole 1/2 = 457 lbs/in
Hole 2/2 = 482 lbs/in
Hole 2/3 = 512 lbs/in
Hole 3/3 = 542 lbs/in
Hole 3/4 = 578 lbs/in
Hole 4/4 = 614 lbs/in
Hole 4/5 = 656 lbs/in
Hole 5/5 = 699 lbs/in

Karcepts ND Front Sway Bar Kit - 1.25" O.D. x 0.188" Wall:
Hole 1/1 = 572 lbs/in
Hole 1/2 = 605 lbs/in
Hole 2/2 = 639 lbs/in
Hole 2/3 = 679 lbs/in
Hole 3/3 = 719 lbs/in
Hole 3/4 = 766 lbs/in
Hole 4/4 = 814 lbs/in
Hole 4/5 = 871 lbs/in
Hole 5/5 = 928 lbs/in