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Hamburger's Torque-Curve EFI Spacers


Hamburger's
Hamburger's Torque-Curve EFI Spacers

Product images may differ from actual product appearance.

Like a two-part epoxy, an engine's air/fuel mixture needs to be a specific ratio in order to work properly. EFI systems constantly adjust this ratio to best suit driving and environmental conditions at any given moment. If an engine needs more air but the throttle body can't meet that need, overall performance suffers.

At part throttle, a negative pressure zone forms on the upper backside of the throttle blade. Because air always flows to a low pressure area, incoming air gets drawn to it like a vacuum. This low pressure condition creates turbulence, slowing the introduction of air into the intake manifold. Less available air means less available power.

Torque-Curve's unique port design affects airflow in the engine's throttle body by eliminating the low pressure area and accelerating the introduction of air into the intake manifold. Ultimately this improves engine performance and fuel efficiency. These spacers surpass all others in results and popularity.

Features
  • CNC-machined from 6061-T6 billet aluminum
  • Improves fuel efficiency
  • Easy to install
  • Dyno proven
  • No whistle


  • 14 Products
    Chevy/GMC

    497-3250
    TBI Spacer
  • 1986-91 Chevy/GMC Truck/SUV & S10 4.3/5.0/5.7L
  • $104.99
    Order Today Ships 11/03/14

    497-3251
    TBI Spacer
  • 1992-95 Chevy/GMC Truck/SUV & S10 4.3/5.0/5.7L
  • $108.99
    Order Today Ships 11/03/14

    497-3262
    MPFI Spacer
  • 1999-2006 Chevy/GMC Truck/SUV, Suburban, Tahoe, Yukon/XL, Escalade, H2, and Motorhome 4.8/5.3/6.0L
  • $96.99
    Order Today Ships 11/03/14

    497-3264
    MPFI Spacer
  • 2002-10 H3, TrailBlazer, Envoy, Colorado, Canyon, Bravada I5/I6
  • $79.99
    Order Today Ships 11/03/14

    497-3267
    MPFI Spacer
  • 2007-10 Truck, Suburban, Tahoe, Yukon 4.8/5.3/6.0L
  • Gasoline or Methanol
  • $83.99
    Order Today Ships 11/03/14
    Dodge
      497-2775
    MPFI Spacer
  • 2002-04 Dodge Ram 1500 4.7L V8 Standard
  • $45.99
    Order Today Ships 11/03/14

    497-3260
    MPFI Spacer
  • 2003-10 Car/Truck/SUV Hemi 5.7L/6.1L
  • $94.99
    Order Today Ships 11/03/14

    497-3261
    MPFI Spacer
  • 2000-07 Dodge Truck/SUV 4.7L
  • $112.99
    Order Today Ships 11/03/14
    Ford

    497-3263
    MPFI Spacer
  • 2005-09 Mustang 4.6L 3V
  • $83.99
    Order Today Ships 11/03/14

    497-3265
    MPFI Spacer
  • 2005-10 Expedition/F-250 5.4L
  • 2004-09 F-150 5.4L
  • 2006-08 Lincoln Mark LT 5.4L
  • $96.99
    Order Today Ships 11/03/14
    Nissan

    497-3270
    MPFI Spacer
  • 2004-12 Titan 5.6L
  • $83.99
    Order Today Ships 11/03/14
    Toyota

    497-3266
    MPFI Spacer
  • 1998-2002 Lexus LX470 4.7L
  • 1998-2002 Land Cruiser 4.7L
  • 2000-02 Tundra 4.7L
  • $102.99
    Order Today Ships 11/03/14

    497-3268
    MPFI Spacer
  • 2003-04 Tundra 4.7L
  • $90.99
    Order Today Ships 11/03/14

    497-3269
    MPFI Spacer
  • 2005-06 Tundra 4.7L
  • $83.99
    Order Today Ships 11/03/14

    14 Products