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SB300D8 Direct Port 8 Cyl Car Nitrous Kit

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Quick Overview

The Street-Blaster 300D8 is a direct port, dry, nitrous only system with 2 solenoids that has been designed specifically for 8 cylinder applications. 

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The Street-Blaster 300D8 is the most advanced solenoid controlled dry (nitrous only) direct port street system for 8 cylinder engines in the world. This system has been designed specifically for 8 cylinder applications that require the ultimate level of control from a solenoid type system. With its 2 nitrous solenoids, the Street-Blaster 300D8 delivers more instantaneous power, more accurate pulse control and a wider power range than a single solenoid version. 

The Street-Blaster 300D8 benefits from numerous unique features as standard equipment, which offer substantial advantages over all other brands of nitrous systems.

The Street-Blaster 300D8 has the potential to increase the power of your engine by up to 300 horsepower. However, each engines power output capabilities and total power achievable can vary depending on many factors.

Click here for a comparison of WON vs other brands.

UNRIVALED list of standard features;

  • Lifetime Warranty.  
  • Anodised billet alloy Pulsoids.
  • Pulsoids that NEVER wear out, guaranteed.
  • Extruded alloy bottle bracket.
  • Anodised billet alloy bottle valve body.
  • Anodised billet alloy valve handwheel.
  • Stainless steel fittings.
  • Polished SS component mounting bracket.
  • 24/7 tech support. 

    Parts Included:
  • 8 x Venom Injectors.
  • 20 x 4mm nuts and olives.
  • 1.5m x 4mm blue nylon nitrous pipe (Injectors to Showerheads).
  • 2 x 4 way Showerheads with 4mm I/L adaptor
  • 2 x 2" 4mm SS tube (Pulsoid to Showerhead).
  • 2 x Metering Jets.  
  • 2 x 150 hp anodised billet alloy nitrous Pulsoids.
  • 1m x 5mm nylon nitrous supply pipe (Y-Block to Pulsoids).
  • 1 x Y-Block 5mm - 4AN inlet.
  • 5 x 5mm retaining nuts and olives for nylon lines.
  • 5m length of 4AN braided hose supply pipe. 
  • 1 x 5 lb. bottle w/ maxflow valve(bottle shipped empty).
  • 1 x Extruded alloy bottle bracket w/ stainless steel straps.
  • 1 x Throttle microswitch w/ bracket. TPS available for an extra charge.
  • 1 x Arming switch w/ aircraft style cover.
  • 1 x Electrical connectors & wire pack.
  • Fitting instructions & stickers.  


Please note that although the picture may not be a true representation of the items included in the system, the parts list is accurate.

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Yours Sincerely, The Wizards of NOS Team