The features include; -Ultra LCG gear arrangement- straight line for all 3 gears means extra low center of gravity and smoother running idler gear. -Machined alloy 3 gear box for precise running gears. - Machined for lightness yet stiffens up the chassis and rear tower for improved consistency on high grip tracks. - 7075 lightweight finned alloy motor plate for cooler motor temps. - Cooling is further aided by the alloy gear box (great for stock motor classes). - Very easy gear box changes for your track conditions of the day- means you can use 1 chassis to swap between the LCG gear box or stock gear box so that you won't need to purchase a carpet car and a dirt car. - Slightly raised diff gear position aids in running lower ride heights. - Easy access hinged carbon fiber lipo plate- extra light design. - Works with the stock body. The set includes; ALLOY 3 GEAR LAYDOWN GEAR BOX SET- black anodised with laser etch ALLOY LIGHTWEIGHT MOTOR PLATE- black anodised DELRIN GEAR COVER- black CARBON FIBER LIGHTWEIGHT LIPO STRAP WITH ALLOY HINGE- black anodised ALLOY WATERFALL SPACERS CHASSIS DRILL TEMPLATE- aids in adding the 2 required holes in the chassis. HARDWARE FULL INSTRUCTIONS DECAL SHEET For experienced hobbyists only. Requires 2 holes to be drilled in the stock chassis. Requires 22 3.0. $109.95 msrp. ($89.95 MAP) Source (Exotek): http://www.exotekracing.com/22-3-0-lcg-gear-box-set-laydown-gearbox-conversion/