EDELBROCK FST-146302B Lsxr Intake Manifold Big Mouth 102MM LS1/LS2/LS6 Cathedral

( Brand: Edelbrock ), ( Part Type: Intake Manifold ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Performance/custom ), ( Manufacturer Part Number: FST-146302B ), ( Mounting Hardware Included: Yes ), ( Material: Aluminum ), ( Country/region Of Manufacture: United States )

Review EDELBROCK In Stock Fast Lsxr 102mm Intake Manifold Big Mouth Chevy Ls1/ls2/ls6 Cathedral fits LS1 LS2 LS6

The Edelbrock FST-146302B LSXR 102mm Intake Manifold, also known as the "Big Mouth" intake for Chevy LS1, LS2, and LS6 engines, is a high-performance intake solution designed to deliver superior power and torque gains. This intake manifold is part of Edelbrock's line of Fuel System Technology (F.S.T.) products, which are engineered to provide excellent airflow and fuel delivery for enhanced engine performance.

This intake manifold is constructed from high-strength aluminum and features a 102mm (4-inch) runner length that optimizes airflow and fuel delivery for increased power output. The "Big Mouth" design of this intake manifold allows for larger, more efficient air inlets, which can result in significant horsepower gains.

The Edelbrock FST-146302B intake manifold is also designed to work seamlessly with the factory fuel system, making it a great option for those looking to upgrade their intake without having to make extensive modifications to their existing fuel system. It is compatible with stock and aftermarket throttle bodies, and can be used with stock or aftermarket heads.

One of the key features of this intake manifold is its ability to provide excellent idle quality and stability, even under high load conditions. This is achieved through the use of advanced design features such as a tuned plenum and carefully engineered port shapes and sizes. The intake manifold also includes integrated fuel rails, which help ensure precise fuel delivery and even fuel distribution to each cylinder.

The Edelbrock FST-146302B LSXR 102mm Intake Manifold is a high-quality, high-performance intake solution that is ideal for Chevy LS1, LS2, and LS6 engine applications looking to maximize power and torque output while maintaining excellent idle quality and stability. It is backed by Edelbrock's reputation for excellence and comes with a limited lifetime warranty.

Edelbrock's FST-146302B LSXR 102mm Intake Manifold, also known as the "Big Mouth" intake manifold, is a popular aftermarket intake solution for Chevrolet LS1, LS2, and LS6 engines. This intake manifold offers several advantages and disadvantages that potential buyers should consider before making a purchase.

1. Enhanced Air Flow: The Big Mouth intake manifold has a larger plenum volume and runner length, which leads to increased airflow and better engine breathing. This results in better power output and improved engine response.

2. Improved Fuel Mileage: The increased airflow can lead to more efficient combustion, which may result in improved fuel mileage.

3. Better Idle Quality: The Edelbrock intake manifold features a unique design that allows for improved idle quality and stability.

4. Easy Installation: The intake manifold comes with all necessary hardware and gaskets, making the installation process relatively straightforward.

1. Cost: The Edelbrock Big Mouth intake manifold can be quite expensive compared to stock intake manifolds or other aftermarket options.

2. Compatibility: The intake manifold may not be compatible with all aftermarket components, such as certain throttle bodies or fuel systems.

3. Requires Tuning: In order to fully realize the performance gains of the intake manifold, it may require tuning using a dyno or adjusting fuel maps on a programmer.

The Edelbrock FST-146302B LSXR 102mm Intake Manifold offers several advantages, including improved power output, better idle quality, and potential fuel mileage gains. However, it comes with some disadvantages, such as a high cost and potential compatibility issues. If you're looking to maximize the performance potential of your LS engine and are willing to invest in the necessary tuning, the Big Mouth intake manifold could be a worthwhile investment.

If you're serious about increasing the power output and improving the overall performance of your Chevrolet LS engine, the Edelbrock FST-146302B LSXR 102mm Intake Manifold is a solid option to consider. However, be prepared for the potential compatibility issues and the cost of tuning to fully realize the gains. Make sure to double-check compatibility with any aftermarket parts you plan to use, and consider the investment as a long-term performance enhancement for your vehicle.

Details:

Always have thermal number clearly written on multiple sides of the package when you return the item. This listing is for a BRANDNEW LSXR Intake Manifold Constructed from the same advanced polymer material as LSX 92mm Manifold, offers host of benefits over aluminum aftermarket intakes, including lighter weight, increased strength and improved heat dissipating characteristics. FAST LSXR 102mm Intake Manifold Big Mouth Chevy LS1/LS2/LS6 - Cathedral Port. Gaskets not included.

Notes: This is a 3-piece unit designed for the big mouth 102mm throttle body or stock with adapter. For cathedral port heads. While the LSXR features a 102mm air inlet that is perfectly suited to FAST Big Mouth Throttle Body, it can also be used with stock or aftermarket 90mm 92mm throttle bodies. Other features include integrated notorious bungs and perfect bolt-on fitment that allows the use of factory accessories without modification or clearance concerns.

part #: fst146302b prices

• $1210.95-$1405.79

specifications inputmanifolds:

• for models: Ls1, Ls2, Ls6
• for makes: Chevy
• brand: Edelbrock
• part type: Intake Manifold
• manufacturer warranty: 1 Year
• fitment type: Performance/custom
• manufacturer part number: FST-146302B
• mounting hardware included: Yes
• material: Aluminum
• country/region of manufacture: United States

general inputmanifolds:

• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
• condition: New

returns inputmanifolds:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

offer inputmanifolds:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: August 21, 2025
• quantity: 7

payments inputmanifolds:

• credit card: Diners-club
• other
• wallet: Apple-pay

seller inputmanifolds:

• # reviews: 19625
• rating: 97.6%
• city: Costa Mesa, California

shipping inputmanifolds:

• carrier: UPS, USPS
• class: Standard, Expedited, One-day
• transit: 4-9 Days
• service: UPS Ground, USPS Priority Mail, USPS Priority Mail Express, UPS Next Day Air Saver
• type: Fixed
• cost: $0.00

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