Forge Motorsport Dump Valve Spring (Single) FMDVSU110 S3 8L Mk1 EBC Front Yellowstuff Pads for

EBC Front Yellowstuff Pads for Opel Insignia Country Tourer 1

Stock intercooler temps reduce to an average of 64 degrees and peak at 68 degrees (after 5 back-to-back runs)

5 BHP 1993 DP41022R

8 BHP 1994 DP41143R

Forge Motorsport Dump Valve Spring (Single) FMDVSU110 S3 8L Mk1 EBC Front Yellowstuff Pads forThese are the individual springs sold in our FMDVTUN kit. Please select the colour you require using the options above. Valve Spring color coding: Green 5 15 PSI, Yellow 15 23 PSI, Blue 23 30 PSI, Red 30 + PSI *The above figures are estimates and should only be considered as a guideline* Note: The quoted spring pressure (PSI) relates to the un assisted clamping force of the spring and should NOT be taken as an equivalent to boost pressure when