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Karcepts

KFSB-AP-12

Karcepts Front Sway Bar - 00-09 S2000 (AP1/2)

WARNING: Cancer and Reproductive Harm
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Designed specifically for track/autocross use, this sway bar kit offers zero compromises:

  • Billet aluminum arms optimized for strength and weight utilizing the latest FEA software
  • Like a blade style sway bar, roll stiffness can be adjusted quickly, and with one wrench
  • Unlike a blade style sway bar, adjustments are finite, with no possibility of slipping position
  • Rate adjustments are made with the vehicle on the ground, even at low ride heights
  • 6 adjustment positions per sway bar arm
  • Light weight, zero deflection solid sway bar mounts provided for precise feel
  • Low friction, lubrication free, dirt resistant, solid polymer bearings require no maintenance
  • Heat treated and plated steel alloy PTFE lined endlinks and all hardware included
  • 32mm (1.25") diameter high-grade spring steel splined center section for consistent rates
  • Center section available in many different wall thicknesses
  • Stiffest setting yields 11% more angular twist on a given center section compared to any other splined style S2000 front sway bar on the market

NOTE: Brake line mounting brackets, remote reservoir lines, nitrogen fill connections, and any other potential obstructions mounted inboard of the shock body will prohibit the quick adjustment feature of this sway bar kit.  OEM shocks, Koni Sport shocks, and any other shocks with OEM style brake line mounting brackets can still retain quick adjustment functionality when swapping the left shock to the right side, and vice versa (effectively eliminating the interference without having to grind off the brake line brackets completely).  Please consult us before purchasing if you have any concerns with achieving quick adjustment for your application.

Confirmed quick adjustment with the following dampers: JRZ RS One, JRZ RS Two, JRZ RS Pro (w/ reservoir lines facing outward), Moton Clubsport (w/ reservoir lines facing forward), MCS 2-Way (w/ reservoir lines facing forward), Koni 3011 (w/ nitrogen fill connections facing outward), KW V3 & KW Clubsport (brake line brackets will need to be bent and sway bar arm installation position may require adjustment), Ohlins R&T/DFV (sway bar arm installation position may require adjustment), Penske 8300, Koni Sport (w/ left and right shocks swapped), OEM (w/ left and right shocks swapped)

We highly recommend starting with either the 0.188" (ideal for SCCA BS trim) or 0.250" (ideal for SCCA STR trim) wall center section. Choose the "Conversion Kit" option for a full kit minus the center section.  The Conversion Kit is for those who currently own a splined style S2000 front sway bar kit wishing to upgrade to our light weight, quick adjust billet aluminum arms and mounts.  The donor center section must be 1.25" diameter, have 48 spline ends, and have a length of 36".

Sway Bar Rates via Puhn Calculation Method:

OEM S2000 Front Sway Bars:
'00-'01 = 393 lbs/in
'02-'07 = 300 lbs/in
'08-'09 = 354 lbs/in
'08-'09 CR = 392 lbs/in

Karcepts S2000 Front Sway Bar Kit - 0.120" Wall:
Hole 1 = 497 lbs/in
Hole 2 = 555 lbs/in
Hole 3 = 624 lbs/in
Hole 4 = 707 lbs/in
Hole 5 = 801 lbs/in
Hole 6 = 903 lbs/in
Kit Weight = 12.5 lbs

Karcepts S2000 Front Sway Bar Kit - 0.188" Wall:
Hole 1 = 659 lbs/in
Hole 2 = 735 lbs/in
Hole 3 = 827 lbs/in
Hole 4 = 936 lbs/in
Hole 5 = 1061 lbs/in
Hole 6 = 1196 lbs/in
Kit Weight = 14.5 lbs

Karcepts S2000 Front Sway Bar Kit - 0.250" Wall:
Hole 1 = 755 lbs/in
Hole 2 = 842 lbs/in
Hole 3 = 947 lbs/in
Hole 4 = 1072 lbs/in
Hole 5 = 1215 lbs/in
Hole 6 = 1370 lbs/in
Kit Weight = 16.2 lbs

Karcepts S2000 Front Sway Bar Kit - Solid Bar:
Hole 1 = 867 lbs/in
Hole 2 = 967 lbs/in
Hole 3 = 1088 lbs/in
Hole 4 = 1232 lbs/in
Hole 5 = 1396 lbs/in
Hole 6 = 1574 lbs/in
Kit Weight = 20.7 lbs

Karcepts S2000 Front Sway Bar Kit - 0.250" Wall, Stepped Up To 1.375" OD:
Hole 1 = 1099 lbs/in
Hole 2 = 1226 lbs/in
Hole 3 = 1379 lbs/in
Hole 4 = 1562 lbs/in
Hole 5 = 1770 lbs/in
Hole 6 = 1996 lbs/in
Kit Weight = 18.2 lbs