* All new revised geometry.
* Improved chassis configuration for better chassis flex.
* Advanced grade of composite fibers and fiber orientation.
* New 4-cell tray allows greater Left side weight bias.
* Personal transponder mounting position in the front of the chassis.
* Adjustable right front a-arm position.
* New added adjustments to the rear cross brace for various shock angles.
* A forth standoff has been added for better rear chassis stability

The X-factor 4 has been proving its dominance on various track surfaces. The improved design helps you fine-tune your car to the toughest track conditions.

Almost all the parts of the X-factor are interchangeable with the L3 and the L4 AE cars.

Feedback and experience from top oval drivers tearing up the tracks, such as Daryl Silva, Greg Honeycutt, Roman Pemberton, Ritchie McDonald, Tommy Smith, Sean Cochran and Monti Panzica, have allowed Silva Concepts to bring to the market top products race-proven to win. It will only be a matter of time until you want to feel the X.

The X-Factor 4 comes with:
Chassis,
tray bracket,
4-cell tray,
cross braces,
top and bottom plates,
nerf wing,
front slider bracket
all the extra needed hardware to complete the kit.