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Product Information

Product Details
Part No. 54039B
Warranty Details (90 DAY REPLACEMENT IF DEFECTIVE)
Forget about inferior knock-offs, the patented LSX 92mm Black Intake Manifold from FAST is the only three-piece Gen III composite manifold proven to deliver increased performance without compromising bottom-end drivability or high RPM power. For both street and racing applications, the new black intake manifold is an easy bolt-on installation for GM Gen III (LS1, -2 & -6) engines and is designed to work with the FAST Big Mouth Throttle Body.

Product Features:
  • Black version of original LSX intake w/ 92mm opening & added refinements
  • Includes stainless steel bolts, threaded insert throttle body mounts & mounting hardware
  • Incorporates high-quality polymer materials, which resist "heat sink" effect of aluminum
  • Maximizes potential of other popular engine performance upgrades such as cylinder heads
  • Improved throttle body sealing flange & o-ring gasket
  • 50 state legal under C.A.R.B. E.O. No. D-279-9
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