When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Price: $1163.95
PN: 54039BDESCRIPTIONLSX Intake fits Cathedral Port Cylinder Heads - LS1 LS6 & LS2Forget 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.The new FAST LSX 92mm Black Intake Manifold maintains the performance gains achieved over stock intake manifolds with no loss in drivability or low RPM torque. While the new stylish, black intake manifold delivers terrific performance right out of the box, it can be ported by the customer for even more flow. As requested by previous LSX customers, the intake features the added benefits of corrosion-free stainless steel assembly bolts, an improved throttle body sealing flange and o-ring gasket and threaded insert throttle body mounts that provide increased durability.New “Black” Gen III intake manifold with 92mm throttle body intake opening & added refinements
Improved throttle body sealing flange & o-ring gasket
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 headsDesigned to work in conjunction with the new FAST Big Mouth Throttle Body (92mm)
Drive-By-Cable Throttle Body Options*Big Mouth 92mm Throttle Body™ - Part# 54092
Stock/OEM 3-Bolt LS1 Throttle body can be used with our 3-to-4 Bolt Throttle Body Adaptor Plate
OEM Throttle Body Adaptor Plate - Part# 146029-KIT
Fuel Rail Options (LS1, LS6, & LS2)LS1/LS6 Engine:
OEM Stock GM LS1/LS6 fuel rails will bolt right on
Billet Fuel Rail Kit (Red) - Part# 54023 - If using OEM fuel lines, one of the below OEM Fuel Line Conversions is required:
OEM Fuel Line Conversion Kit - Part# 54028-KIT
OEM Fuel Line Conversion Kit w/Fuel Pressure Gauge - Part# 54028G-KIT
LS2 Engine:
Adaptor Kit for Stock/OEM LS2 Fuel Rails - Part# 54026
Billet Fuel Rail Kit (Red) - Part# 54023
*Drive-by-wire engines (LS2) can re-use the OEM GM 90mm electronic 4-bolt throttle body.