FAST 146302B LSXR 102mm Intake Manifold for LS1/LS2/LS6 Cathedral Port GM LS Eng

Regular price: $1,242.95
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Sale price: $1,242.95

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Product Specification:

SKU:FST146302B

MPN: 146302B

Weight: 19.2 lb

Inventory: 8

Type: Intake Manifolds

Vehicle Fitment

GM LS-Series Engines with Cathedral Port Heads (LS1, LS2, LS6)
Fits popular GM vehicles using these engines (Camaro, Corvette, Firebird, GTO, CTS-V, Trailblazer SS, SSR)

Features

LSXR intake manifold with 102 mm throttle body bore for increased airflow and performance
Advanced polymer construction reduces heat soak and weight compared to aluminum alternatives
Modular 3-piece design allows easy disassembly and individual runner removal for porting
Integrated nitrous oxide bungs for performance upgrade support
Perfect bolt-on fit for Cathedral Port GM LS engines
Improved throttle body sealing flange with o-ring gasket
Compatible with FAST Big Mouth 102 mm throttle bodies and many OEM/aftermarket options
Durable black finish for long-lasting performance and engine bay appeal

Specifications

Brand: FAST (Fuel Air Spark Technology)
Part Number: 146302B
Intake Type: LSXR 102 mm Intake Manifold
Throttle Body Bore: 102 mm
Material: Advanced polymer composite
Port Style: Cathedral port
Fuel Injection Style: Multi-port EFI
Color: Black

Included Components

1x LSXR 102 mm Intake Manifold (FAST 146302B)

Product Description

The FAST 146302B LSXR 102 mm Intake Manifold is a high-performance intake designed for GM LS-series engines featuring cathedral port heads, including LS1, LS2, and LS6 configurations. Built from advanced polymer materials, this intake manifold is lighter and better at reducing heat soak compared to traditional aluminum units, helping improve airflow, throttle response, and overall engine efficiency. The modular design enables fast disassembly and optional runner removal for porting, making it a popular choice for enthusiasts and racers seeking both street and track performance.

Featuring a 102 mm throttle body bore, the LSXR manifold pairs well with FAST Big Mouth throttle bodies and many aftermarket or OEM options. Integrated nitrous bungs, excellent sealing features, and a direct bolt-on fit make installation straightforward for compatible engines. Whether building a high-output street machine or prepping a race engine, the FAST 146302B delivers increased performance potential for Chevrolet, Pontiac, Buick, and Cadillac LS applications.