FORGE FMSS114 Standard Silver Piston Valve Small Bottom Spring ymm_69 850˝ Thread Size 5/16-18 washers

850˝ Thread Size 5/16-18 washers included Yes

and enhanced fuel economy

The package also features a COBB High Flow Filter

The MK5 Supra Eventuri intake has been developed to provide the turbo with a less restrictive flow path whilst maintaining low inlet temperatures

making it suitable for professional racing systems where thermal expansion and component longevity are critical

FORGE FMSS114 Standard Silver Piston Valve Small Bottom Spring ymm_69 850˝ Thread Size 5/16-18 washersThese are the individual springs sold in our FMTVTUN kit. Please select the colour you require using the options above. Valve Spring Colour Coding: The weakest spring is GREEN, followed by YELLOW, BLUE, and RED which is the strongest. Depending on the supplied original fitment, this represents an increase of 25%, 50%, 75%, and 100% respectively. The standard spring option is for customers who wish to replace a broken idle spring in their twin piston