Code# 1A20C (engine only) 
Code# 1A20B (combo set), the combo set comes with T-2090SC + 85mm longer manifold. 

Available to end customers in February 

Features: 
Designed according to Adam Drake's advice and taste. The engine can be used in both buggy and truck. 
1. New design cylinder liner with new porting 
2. New design DLC crankshaft with double tungsten counter weight 
3. New bore x stroke (16.40 x 16.55 mm) 
4. Carburetor reducers are 6.5mm and 8.0mm 
5. ceramic rear bearing 
6. 21J carburetor, the same as OS SPEED spec 2 and spec 3 
7. OS SPEED P3 GOLD plug for better fuel mileage 

Source facebook Adam Drake.

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