This is a Tamiya TA03F PRO, extensively modified with David Jun upgrades and much more. A new Aramid fiber reinforced belt 53278 (OP-278) is included as spare, and below is a list of super rare and sought-after Tamiya TA03 'Hop-Up Options' items included with the car.   

1. Tamiya 53337 (OP-337) Reinforced Damper Stay (front shocks' stroke was shortened 4mm with extra O-rings inside the dampers to fit this mount)  

2. Tamiya 53326 (OP-326) Aluminum Racing Steering Set

3. Tamiya 53596 (OP-596) TA03 Aluminum Servo Stays

4. Tamiya 53261 (OP-261) Carbon Battery Plate Set

5. Tamiya 53285 (OP-285) Rear Body Mount Support Plate

6. Tamiya 49091 Lightweight Drive Shaft (Front & Rear, Purple)

7. Tamiya 53312 (OP-312) Carbon Stabilizer Support

8. GPM Machined Aluminum Steering Mount (Not Tamiya but an incredibly rare TA03 gem)

Please feel free to ask any questions before committing to purchase.