The Blitz DD (dual drive) blow off valve kit is a bolt-on kit made specifically for 95-98 Nissan S14 vehicles with SR20DET engine. Each kit comes with the following:
- Mandrel bent hot pipe
- Blitz DD blow off valve
- Mini air filter
- Blow off valve gasket
The Blitz dual drive system consists of a small port for low boost and a large port for higher boost, resulting in maximum response. The blow off valve can hold up to 1.2 bar (18 psi) and is tension adjustable.
A hard spring is available for higher boost applications.
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