1. Automotive Used Intake Manifolds Items
  2. sku: 1183240428332623
  3. FAST 146602B

FAST 146602B Lsxrt Intake Manifold 102MM 4.8L 5.3L 6.0L

fits make: Chevrolet, Gmc.

146602b Fast Lsxrt 102mm Intake Manifold For Chevrolet Gmc 4.8l 5.3l 6.0l Trucks146602b Fast Lsxrt 102mm Intake Manifold For Chevrolet Gmc 4.8l 5.3l 6.0l Trucks #2146602b Fast Lsxrt 102mm Intake Manifold For Chevrolet Gmc 4.8l 5.3l 6.0l Trucks #3

( Brand: Fast ), ( Type: Intake Manifold ), ( Connector Color: Black ), ( Manufacturer Warranty: Unspecified Length ), ( Fitment Type: Performance/custom ), ( Material: Plastic ), ( Country/region Of Manufacture: United States ), ( Vintage Part: No ), ( Performance Part: Yes ), ( Fuel Type: Gasoline ), ( Manufacturer Part Number: 146602B )

Review FAST Lsxrt 102mm Intake Manifold Chevrolet Gmc 4.8l 5.3l 6.0l Trucks

The 146602B LSX RT 102mm Intake Manifold is a high-performance aftermarket intake component designed specifically for Chevrolet and GMC vehicles equipped with the LS1, LS6, LS2, LS3, L76, L96, L92, L37, and LS37 Engines. These engines come with a displacement of 8 liters (5.3L) or 3 liters (3.4L) or 0 liters (the LS37 engine is a naturally aspirated V8 and doesn't have a supercharger or turbo, so it doesn't have an intercooler outlet).

This intake manifold offers several advantages over the OEM (Original Equipment Manufacturer) manifold. The CNC-machined aluminum build provides a lighter and more robust design, contributing to improved engine response, better engine efficiency, and increased power output. The 102mm (4") size of the runners is suitable for larger throttle bodies and supports extensive modifications for high-performance applications such as racing or aggressive tuning setups.

The 146602B also features raised intake ports that optimize fuel injector placement for more accurate fuel metering. Moreover, the large, radiused plenum provides excellent fuel swirl, which contributes to improved combustion performance and better atomization of the fuel. The intake manifold includes distance spacers for timing components, ensuring precise positioning and timing, essential for efficient engine performance.

Another notable feature on the 146602B is the incorporated intercooler outlet, which is ideal for vehicles with supercharged or turbocharged setups. This feature allows cooled air to be delivered directly to the engine, maximizing efficiency and ensuring optimal performance.

Remember, the installation process requires additional modifications depending on the specific engine setup. Always consult the vehicle's service manual or the manufacturer's instructions for the best results. If you're looking to enhance the performance of your Chevrolet or GMC and are interested in this high-quality intake manifold, the 146602B LSX RT 102mm Intake Manifold should be at the top of your list.

Pros and Cons of Installing a 146602B LSXRT 102mm Intake Manifold on Chevrolet and GMC 8L, 3L, and 0L Engines

introducing the 146602B LSXRT 102mm Intake Manifold for Chevrolet and GMC 8L, 3L, and 0L engines. Weighing the pros and cons can help you decide whether this upgrade is suitable for your vehicle.

Pros:

1. Enhanced Power: The 102mm intake runners offer a larger intake port, which allows for increased airflow and, consequently, more efficient combustion and enhanced power output.

2. Improved Engine Response: The improved airflow mentioned above contributes to faster acceleration and more responsive engine performance.

3. Increased Fuel Efficiency: The increased engine efficiency provided by this intake manifold translates to improved fuel economy, potentially amounting to cost savings for the driver.

4. Better Idle Stability: With a more efficiently designed intake system, idle stabilization can significantly improve, resulting in a smoother and more consistent driving experience.

5. Customization and Aesthetics: The LSXRT 102mm Intake Manifold offers an attractive appearance, which can enhance the visual appeal of your vehicle.

Cons:

1. Installation Complexity: Installing an aftermarket intake manifold can be a complex process, often requiring specialized tools and professional expertise. This could result in added labor costs.

2. Risk of Vacuum Leaks: Since a larger intake manifold increases the surface area, there is a potentially higher risk of vacuum leaks. Make sure to properly seal and test after installation.

3. Alignment Issues: Proper alignment between intake components becomes increasingly important to ensure optimal engine performance and prevent potential issues.

4. Potential Compatibility Issues: Newer engines might not be compatible with this particular aftermarket product. Ensure your specific model is supported before committing to the purchase.

5. Potential Tuning Requirements: Upgrading an intake manifold might necessitate additional engine tuning, such as re-mapping the factory fuel and ignition maps, which could add to the overall cost and time investment.

Conclusion:

The 146602B LSXRT 102mm Intake Manifold can lead to noticeable power gains, improved engine response, better fuel efficiency, and a more refined idle. However, such benefits come with the complexities and costs of the installation process, the risk of vacuum leaks, potential alignment issues, and potential compatibility and tuning requirements. Ultimately, careful consideration and research are necessary before deciding whether this intake manifold is the right upgrade for your Chevrolet or GMC 8L, 3L, or 0L engine vehicle.

Recommendation:

If you are a dedicated, experienced mechanic with a strong understanding of engine systems and potential modifications, the 146602B LSXRT 102mm Intake Manifold could represent a worthwhile upgrade. But for those with less mechanical expertise, it may be more prudent to consult a professional mechanic to evaluate the feasibility and potential long-term benefits for your specific vehicle.

Details:

Makes popping noise sometimes. For sale intake, fuel rails, air breather, can sent video of truck running, still on 2012 Gmc. Trucks has lifter or push rod off. Putting stock 5.3 in truck.

part #: 146602b prices

  • $1119.99-$1369.64

specifications inputmanifolds:

  • for makes: Chevrolet, Gmc
  • brand: Fast
  • type: Intake Manifold
  • connector color: Black
  • manufacturer warranty: Unspecified Length
  • fitment type: Performance/custom
  • material: Plastic
  • country/region of manufacture: United States
  • vintage part: No
  • performance part: Yes
  • fuel type: Gasoline
  • manufacturer part number: 146602B

shipping inputmanifolds:

  • service: UPS Ground
  • transit: 8-13 Days
  • carrier: UPS
  • cost: $45.00
  • type: Fixed
  • class: Standard

general inputmanifolds:

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

offer inputmanifolds:

  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: August 15, 2024
  • quantity: 1

returns inputmanifolds:

  • policy: No Returns

seller inputmanifolds:

  • # reviews: 3588
  • city: Sandoval, Illinois
  • rating: 100.0%

payments inputmanifolds:

  • wallet: Apple-pay
  • other
  • credit card: Visa
for makes: chevrolet, gmc, type: intake manifold, connector color: black, manufacturer warranty: unspecified length, fitment type: performance/custom, country/region of manufacture: united states, vintage part: no, performance part: yes, fuel type: gasoline,
category: auto parts > car truck parts accessories > air fuel delivery > intake manifolds, material: plastic, sku: 1183240428332623,

Fast 146602B Is Similar To:

inputmanifolds logo
5 offers $1119.99–$1369.64 USD
  • New other (see details). Offer #1 priced at $1119.99 + $150.60 delivery = $1270.59* total. Similar to the LSXR 102mm intake manifold for cars, the LSXRT features the ability to remove individual runners for modification. FAST LSXRT intake manifolds are designed specifically for GM truck engines (4.8L, 5.3L, and 6.0L) and LS1, LS2, and LS6 race applications where hood clearance is not a concern.+$150.60 shipping
  • New. Offer #2 priced at $1269.95 + $0.00 delivery = $1269.95* total. Intake Manifold - LSXRT - 102 mm Throttle Body Flange - Cathedral Port - Multi Port - Plastic - Black - LS1 / LS2 / LS6 - GM LS-Series - Kit.FREE SHIPPING
  • New. Offer #3 priced at $1369.64 + $0.00 delivery = $1369.64* total. And similar to the LSXR 102mm Intake Manifold for cars, the LSXRT features the ability to remove individual runners for modification. Compatible with 1999-up 4.8/5.3/6.0L LS engines with cathedral port heads; Compatible with GM 4.8/5.3/6.0L cathedral port truck engines and cathedral port LS1/LS2/LS6 race applications where hood clearance is not a concern, the FAST LSXRT 102mm Intake Manifold follows the path chartered by the original FAST LSX Gen III Intake by featuring a modular design that allows for easy porting and disassembly and a runner design that yields an incredible 25 peak horsepower gain over the stock intake, on a stock 6.0L engine with a Big Mouth 102mm Throttle Body .FREE SHIPPING
  • New. Offer #4 priced at $1632.88 + $9.99 delivery = $1642.87* total. This premium intake manifold is crafted from a proprietary precision injection molded material, ensuring durability and optimal airflow. The FAST LSXRT Manifold 102MM in sleek black is designed to enhance the performance of GM 4.8, 5.3, and 6.0 truck engines.+$9.99 shipping
  • New. Offer #5 priced at $1269.95 + $0.00 delivery = $1269.95* total. Extensive testing led to a runner design that is longer and less restrictive and gives the user the ability to remove individual runners from the manifold for modification. PN: .FREE SHIPPING

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