https://www.protoxide.eu/en/blowoff-valves-and-adapters/118-tialsport-50mm-blow-pop-off-spring.html
TialSport 50mm Blow Pop Off Spring
Internal spring for Pop off Tial Blow Off valve with different settings available and interchangeable with the original spring.
blow poptialsportspring
https://xatracing.com/tialsport?sortBy=p.price&sortOrder=desc&sessionCell=QSLShopByBrandViewItemsListProductCustomerBrand&orderBy%5B0%5D=translations.name&orderBy%5B1%5D=asc&loadProductsWithCloudSearch=1&limit%5B0%5D=0&limit%5B1%5D=100
XAT Racing TiALSport
Specializing in 1980s-2000s Toyota RWD, 4WD, turbo, I6, and V8 vehicles, as well as importing JDM cars such as the Century, Crown, Chaser, and Land Cruiser....
xatracingtialsport