[Manufacturer page]
https://www.tamiya.com/japan/products/58720/index.html

[Improve the potential of each part for the race]
Optional parts are incorporated into the 4WD touring car basic chassis TT-02 to improve driving performance and create a race-oriented model that allows you to enjoy the fun of setting.
The drive system is equipped with a direct cup at the front. a double cardan drive shaft. and an oil-filled gear differential at the rear to reduce loss. The suspension arm of TRF420 is used for excellent maneuverability. and the rear adopts a bush type adjustable suspension mount. It is a chassis kit that is ideal for Tamiya Grand Prix and Challenge Cup participation. with a gear ratio of 6.55: 1 by combining 27T aluminum pinion gear and 68T spur gear.

[Main equipment parts]
Aluminum propeller joint (new shape)
ITEM 22054 Drive shaft for double cardan (37 size. 2 pieces)
ITEM 22049 XV-02/TT-02 Oil-filled gear differential (39T) unit *Exclusive aluminum differential joint
ITEM 22047 XV-02/TT-02 Front Direct Coupling (39T) Set *Exclusive Direct Cup
ITEM 54981 06 Hard Coated Aluminum Pinion Gear (27T)
ITEM 54886 TRF419 SUSPENSION UPGRADE SET
ITEM 54799 TT-02 High torque servo saver set (with aluminum horn)
ITEM 54501 TT-02 Aluminum Propeller Shaft
ITEM 54500 TT-02 HIGH SPEED GEAR SET (68T)
ITEM 53823 Clamp type aluminum wheel hub (5mm thickness)
ITEM 53576 Oil seal for TRF damper (4 pieces)
ITEM 42357 Cross Spider for LF Assembly Universal (2 pcs)
ITEM 42323 Short pillow ball nut for TRF damper (8 pieces)
ITEM 42143 4mm aluminum serration wheel nuts (blue. 4 pieces)

[Basic specifications]
��Chassis length = 361mm (not including body) ��Chassis width = 183mm ��Wheelbase = 258mm ��Frame = bathtub type ��Drive system = vertical motor. shaft drive 4WD ��Differential gear = front: direct cup. rear: oil filled type gear differential unit
��Steering: 3-split tie-rod ��Suspension: 4-wheel double wishbone ��Damper: Front and rear CVA oil dampers ��Gear ratio: 6.55:1 (using standard 27T pinion and 68T spur gear) ��Motor: 540 type (sold separately) �� Speed controller = ESC specification (sold separately)

[Items to be purchased separately]
��Body ��Brushless motor ��Tires ��RC mechanism: ESC. 2 channel radio with low profile servo ��Battery and charger for running ��Transmitter power supply

Chassis length = 361mm Photo shows assembled kit
* Motors. tires. RC equipment. batteries. etc. are not included in the product.