1/8 gt engine .21

- specially modified & tuned for gt

- 5 ports + exhaust booster

- bore 15.89mm

- maximum bottom & top-end power

- DLC coated crankshaft

-3x tungsten balanced crankshaft

- specially selected & matched sleeve/ piston set

- insividually lapped sleeve/piston for easier & faster break-in

- rear ceramic ball-bearing-japan

-10 ribs engine head

-gt carburetor

- venturi 7.0mm