Rear the main split upper deck. The split (2 piece) top deck is advised primarily for asphalt songs. The graphite top deck features milled holes for unique tweak-free top deck screws. The utmost effective deck offers more steering response, and much more on energy steering. The flex characteristic varies compared to kit top deck, while the 2 pieces enables more flex choices, and this can be adjusted independently involving the front side and rear. Machined from 2.0mm graphite material, the design for the top deck has been created specifically to obtain maximum traction and great steering traits in addition. The most notable deck are linked to the engine mount utilizing these options: 1.) smooth environment - just one back screw can be used. This enables maximum flex and provides maximum steering. But the car is less stable on-power. 2.) Stiff setting - Both screws are employed. This environment provides reduced flex both right in front and back. Mid-corner steering is decreased, rotation is reduced. This environment provides maximum stability and makes the automobile more straightforward to drive. Fits X4F.