MACH 2 ATMOSPHERE CONVERSION KIT - SUITS T9120 - 20mm Blanking Plug - GFB 5920 Grip Royal Approx 25-30mm drop over OEM

Approx 25-30mm drop over OEM

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Honda K-Series

Nissan Silvia S14 SR20DE (VCT)

Nissan Laurel C35

MACH 2 ATMOSPHERE CONVERSION KIT - SUITS T9120 - 20mm Blanking Plug - GFB 5920 Grip Royal Approx 25-30mm drop over OEMMACH 2 ATMOSPHERE UPGRADE KIT TO CONVERT FROM RECIRCULATING TO ATMOSPHERE VENTING. Includes trumpet, firmer spring, and 20mm hose plug. To vent the Mach 2 to atmosphere, you need to ensure the piston stays closed at idle, and the recirc hose is plugged. The Atmosphere Conversion Kit includes a hose plug to block off the recirc hose, a trumpet to replace the hose outlet on the Mach 2 (not necessary for functionality, but makes the sound louder!), and a