FAST® - LSXrt 102mm High HP Rectangle Port Intake Manifold
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FAST® 146105B

LSXrt 102mm High HP Rectangle Port Intake Manifold
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LSXrt 102mm High HP Rectangle Port Intake Manifold for LS3/L92 Full overview
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Product details

Since the 1990s, FAST has been recognized as the industry leading developer of aftermarket electronic fuel injection technology. Year after year, FAST engineers have released innovative products, driving the growth of the aftermarket EFI marketplace. With a technical support staff beyond comparison, FAST has built close relationships with its customers by responding to their aftermarket EFI product support and development needs. In 2001, FAST became a member of the COMP Performance Group. With the resources of CPGs extensive R&D and Engineering department, the fuel injection innovator has consistently developed industry changing products; taking their EFI technology from the racetrack directly to the street. Today, FAST continues to drive the aftermarket fuel injection industry through ceaseless new product development. With a complete line of industry-leading fuel injection products including self-tuning and programmable EFI systems, polymer intake manifolds, billet throttle bodies, and tuning tools complementing the extensive CPG catalog of performance valvetrain and drivetrain components, FAST is committed to bringing the best fuel injection experience to both racers and street enthusiasts worldwide.
  • SKU: 146105B
  • UPC: 036584324225
  • 102mm inlet also works w/ OEM electronic 78/90mm or aftermarket 90/92mm throttle bodies for high flow and minimal restriction (three-bolt electronic throttle bodies require an adapter).
  • Advanced polymer material is strong
  • Big gains in rear-wheel HP yet retains factory fitments and under-hood clearance requirements.
  • Designed specifically for rectangle port LS3/L92 engines in car and truck applications where hood clearance is not a concern.
  • Feature larger plenum than the lower profile LSXr High HP intake manifold.
  • Features integrated nitrous bungs and a bolt-on fit that allows the use of factory truck accessories.
  • Includes our High HP runners that deliver gains of 30+ HP over standard runners.
  • Modular design allows for easy removal and porting of intake runners.
  • Proprietary precision injected polymer design offers light weight
  • Replacement runners can be purchased separately
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Item Details

fuel rails No
fuel injectors No
cylinder head to intake port seals Yes
intake port style rectangle
egr no
throttle body bore size 102mm

Vehicle Fitment