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
- Hardware
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.
Discontinued
Vehicle Applications| Year | Make | Model | Trim | App Notes |
| 1999 - 2002 | Nissan | Silvia | (S15) L4 2.0L SR20DET | None |
| 1994 - 1998 | Nissan | Silvia | (S14) L4 2.0L SR20DET | None |
| 1994 - 1998 | Nissan | 200SX (Non-US) | (S14) L4 2.0L SR20DET | None |
| 2000 - 2002 | Nissan | 200SX (Non-US) | (S15) L4 2.0L SR20DET | None |