Speed Engineering LS Swap Longtube Headers 1 3/4" | K1500 4WD Truck 1988-1998
Speed Engineering LS Swap Longtube Headers 1 3/4" | K1500 4WD Truck 1988-1998
Speed Engineering LS Swap Longtube Headers 1 3/4" | K1500 4WD Truck 1988-1998
Speed Engineering LS Swap Longtube Headers 1 3/4" | K1500 4WD Truck 1988-1998
Merge Collector Spike
Speed Engineering Spark Plug Wires
Speed Engineering LS Swap Longtube Headers 1 3/4" | K1500 4WD Truck 1988-1998
Speed Engineering LS Swap Longtube Headers 1 3/4" | K1500 4WD Truck 1988-1998
Speed Engineering LS Swap Longtube Headers 1 3/4" | K1500 4WD Truck 1988-1998
Speed Engineering LS Swap Longtube Headers 1 3/4" | K1500 4WD Truck 1988-1998
Speed Engineering LS Swap Longtube Headers 1 3/4" | K1500 4WD Truck 1988-1998

Speed Engineering LS Swap Longtube Headers 1 3/4" K1500 4WD Truck 1988-1998

Regular price $299.99 Save $-299.99
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SKU: 25-1012

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Speed Engineering LS Swap Longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our LS swap longtube headers are mandrel bent, tig welded, and feature natural stainless steel construction. All of our LS swap longtube headers have been dyno proven. We stand behind our LS swap longtube headers in saying you will not find a better fitting, quality built, budget header for your vehicle.

Features include:

  • Mandrel Bent Tubing
  • Merge Spikes
  • Race Version with "NO" Air & EGR Fittings
  • Full 1 3/4" Primaries
  • 3" Collector
  • Longtube Header Design
  • LS Swap Conversion Header
  • Gains over 25+ rwhp
  • LS V8 Engines Only
  • 4.8L, 5.3L, 6.0L, 6.2L, LS1, LS2, LS3, LS6, LSA Engines
  • CNC Machined Flanges
  • Natural Stainless Steel
  • Standard Graphite Manifold Gaskets

Vehicle Applications:

  • 1989-1998 K1500 4WD (1/2 ton) OBS

NOTE: WILL NOT FIT ON 2WD APPLICATIONS!

NOTE: ONLY WORKS ON 4 WHEEL DRIVE 1/2 TON CHASSIS!!!

Note: If using a larger 4L80E transmission the bellhousing ears may need to be trimmed for proper clearance.

Note: Our Y pipe kit might require modifications for attaching to the factory exhaust.

(Warning) This is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you install this part on your vehicle and use the vehicle on a public road or highway, you will violate the Clean Air Act 203(a)(3), 42 U.S.C, 7522(a)(3) and may be subject to personal civil or criminal liability.

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