-
With a new port divider - the SWUMBLE port - BASTRA Engineering has developed a multi purpose high Tumble port applicable on two and four valve engines.
The special shape of this port divider allows to increase Tumble ratio of intake flows in compari...
-
BASTRA Engineering is able to control charge motion by a new variable intake port with "secondary throttle" application.
The secondary throttle is designed in order to close one of two intake ports of the engine for better combustion efficiency in part-...
