Dump Valve Spring (Single) Colour:White NGK Racing Spark Plug NGK-R7437-8

NGK Racing Spark Plug NGK-R7437-8 (4901)

9-litresAIRTEC: 6

Keeps OE tailpipes

These are available in either red

Dump Valve Spring (Single) Colour:White NGK Racing Spark Plug NGK-R7437-8These are the individual springs sold in our FMDVTUN kit. Please select the colour you require using the options above. Please check the measurements of your spring against those pictured before purchasing If you are finding that the valve is dumping more than required, or if you are losing boost pressure it is normally an indication that a stronger spring is required. Alternatively, if the valve is failing to dump it may be necessary to install a