This is a Black Wing from Traxxas.

This is a Stock part for:

1/10 E-Revo EVX2 (5603)
1/10 E-Revo EVX2 (5605)

This is an Optional part for:

1/10 E-Revo Mamba (5608)
1/10 Revo 3.3 (5308)
1/10 Revo 3.3 (5309)

Features:

• Plastic construction
• Black in color
• Decals
• Allows tuning options for any track condition and driving style
• Attaches to the rear of the body 

The Traxxas Revo Wing and Wing Mount (Traxxas 5411, sold seperately) are the latest additions to the performance accessory line-up for the five-time National Champion Revo. The combination of the adjustable deflection angle, wing height, and the unique wing design allow tuning options for any track condition and driving style.

Includes:

One (1) Rear Wing
One (1) Set of Decals
 
Requires:

Wing Mount Set, Traxxas 5411

Specifications:

Length: 8" (203.2mm) 
Width: 3" (76.2mm)