from USA
to New Zealand
in 9-15 days
At your doorstep by Jun 22  to Jun 28 with standard delivery


  • Produces an increase of up to 8 hp / 14 ft lb of Torque & 1-3 miles per gallon.
  • Variable Venturi Aperture provides turbulence to mix the air/fuel charge for a more complete burn efficiency.
  • Computer designed chambers and channels specially designed to improve efficiency and air velocity performance.
  • Increased air-flow creates better engine cylinder filling, can be used with any grade of fuel for more power and economy.
  • Complete Kit includes all gaskets, hardware and complete instructions for an easy installation.
  • Imported from USA.
Street and Performance Electronics, the first company to develop the throttle body spacer that delivers improved power, performance, and economy has achieved a design breakthrough! Our engineers have developed a new generation design that provides even better performance and economy! Utilizing multiple aerodynamic principles, the Helix Power Tower PLUS produces air breakup and turbulence that yields greater fuel burn efficiency, which translates into the best performing and efficient product of its type in the marketplace! The Helix Power Tower PLUS is crafted from heat-treated T-6061 aircraft quality solid-billet aluminum. Each plate is held to the most rigorous manufacturing standards in the industry. They are machined on the most advanced CNC equipment available, assuring you of the most accurate product possible. Each plate is subjected to ultra high inspection standards, for further assurance of the finest product in the marketplace. The Helix Power Tower PLUS kit comes with all the installation hardware you need. Installation is simple and can be done in as little as 45 minutes. Fits: 2001-2004 Chevrolet C2500 6.6L LB7 Duramax Diesel, 2001-2004 Chevrolet C3500 6.6L LB7 Duramax Diesel, 2001-2004 Chevrolet K2500 6.6L LB7 Duramax Diesel, 2001-2004 Chevrolet K3500 6.6L LB7 Duramax Diesel, 2001-2004 GMC C2500 6.6L LB7 Duramax Diesel, 2001-2004 GMC C3500 6.6L LB7 Duramax Diesel, 2001-2004 GMC K2500 6.6L LB7 Duramax Diesel, 2001-2004 GMC K3500 6.6L LB7 Duramax Diesel.

Street and Performance Electronics 66005 Helix Power Tower Plus Throttle Body Spacer 2001-2004 GM Truck 6.6L (LB7 Duramax Diesel)


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