FORGE FMSS114 Standard Silver Piston Valve Small Bottom Spring ymm_69 and enhanced fuel economy

and enhanced fuel economy

as in the stock configuration – are calibrated to tailor the sound

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

taking rim width and inset into account

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

FORGE FMSS114 Standard Silver Piston Valve Small Bottom Spring ymm_69 and enhanced fuel economyThese 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