The first 40 size Tunnel hull kit designed for Fast Electric racing.

The QX-400 is 40" long and 14.5" wide and designed for the new Q class motors and a 6 S batteries and a high performance ESC

We recommend using the ONLY the K&B lower unit to realize the full potencial of this hull





PX-300 NX-300 NX-320 PX-335 NX-365 NX-400 GX-480 QX-400


The PX-300 is our newest design that has set the standard for performance in the Fast Electric P-Limited class.


The NX-300 is the same outstanding hull design, but modified to run a nitro outboard motor. If you want to race or just have fun the NX-300 is one of the best performing RC tunnels hulls on the market today


The NX-320 is our 32" hull designed for todays modified .21 engines. The added length helps handle that added power The 320 is at home on the race course or just running around for fun


The PX-335 is our entry in the Fast Electric P class. At 33" long this boat has room for 2, 4S batteries and can handle the hottest electric motor, for some of the best performance in this hotter class


Our newest hull designed for the 7.5 Outboard. This 36" hull can handle even the hottest 7.5 engine and turns like its on rails


The NX-400 is our largest Nitro hull. At 40" long this was designed for the 11cc Outboard, but many are using this for rough water course with a 7.5 outboard.


The GX-480 Gas Tunnel Hull, now holds the IMPBA straight line and 1/3 oval record set by Rick Grim. Congradulations Rick!!


The QX-400 Fast Electric Tunnel Hull, for the new Q class tunnel hulls

Q FE Tunnel Hull Q Tunnel Hull FE Tunnel Hull Q FE Tunnel Hull Q FE Tunnel Hull Q FE Tunnel Hull
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QX-400 "Q" Class Fast Electric Tunnel hull

The QX-400 is designed for the new growing class of larger outboard called the "Q" class. . This class uses a 40mm diameter motor and run on 6s batteries . And produces the power and speeds similar to a 7.5 outboard

The QX-400 is an easy to build kit that comes complete with all the laser cut plywood parts needed to build the complete hull and radio box. All laser cut parts are numbered for ease of assemble and include "Locking Tabs" for added strength and ease of assembly.

Our kit comes with a white Gelcoated fiberglass cowl trimmed at the factory to fit your hull, we also include a vinyl windsheild sticker.

Also included with our kit is a fully illustrated digital instruction book, showing how to put the kit together and setup the radio and motor. The QX 400 is design for the K&B 7.5 lower unit.

#5080 QX-400 kit $255.95

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