Hardrace - REAR ROLL CENTER ADJUSTER NISSAN, 180SX, SILVIA, S13 68mm 1mm bore and the 91

1mm bore and the 91 mm stroker crank = 3362cc / 365cc increase

Traction Control - Control your engines power output via mappable front vs rear axle or individual wheel speed slip

Bore Size: +1mm

There are two choice of turbocharger intake size for the airbox system

Hardrace - REAR ROLL CENTER ADJUSTER NISSAN, 180SX, SILVIA, S13 68mm 1mm bore and the 91By installing the HARDRACE Roll Center Adjusters, it will correct the suspension geometry of a lowered car, putting the control arms back closer to its original position, resulting in increased steering response and stability while eliminating bump steer . Decreases body roll . Improves tyre contact patch with the road . Increases steering wheel responsiveness . Enables increased cornering force