Gunson G4074 Colortune Kit
Visual engine tuning with the Gunson Colortune Single Plug Kit, a transparent viewing plug system that shows combustion color to balance the air-fuel mix; includes a 14mm plug for petrol engines and setup accessories.
Share: ![]()
![]()
![]()
![]()
![]()
![]()
The Green Spark Plug Company 
DIY Car Service Parts 
Zoro 
eBay 
