Part Number: ASC81686 Factory Team version chassis with FWB (Forward Weight Bias) used in EURO kit. Ideal for fast sweeping turns, high grip tracks. Hard-anodized aluminum Fits: RC8B4.2 and RC8B4.1 nitro buggy Includes: 81702 chassis brace set Not included: #81564 RC8B4 Center Dogbone Set, 86.5mm and #81565 RC8B4 Center Dogbone Set, 115mm.