The new Race Upgrade Kit raises boost output to 8psi with a 4.0" supercharger pulley . Fuel and timing maps are perfected to work with the instant boost provided by the JR62 Gen IV Supercharger. The combination delivers an increase of 80 horsepower, over
The new Race Upgrade Kit raises boost output to 8psi with a 4.0" supercharger pulley . Fuel and timing maps are perfected to work with the instant boost provided by the JR62 Gen IV Supercharger. The combination delivers an increase of 80 horsepower, over