FAST ELECTRONICS 146003-8 Intake Port Seals Lsxr 036584277415 8PK Ls3/lsxr

( Brand: Fast Electronics ), ( Part Type: Intake Seal ), ( Manufacturer Part Number: 146003-8 ), ( Port Shape: Rectangle ), ( Port Height: 2.982 In ), ( Port Width: 1.542 In ), ( Distributor Base Gasket Included: No ), ( Material: Rubber ), ( Quantity: Set Of 8 ), ( UPC: 036584277415 )

Review FAST ELECTRONICS Intake Port Seals 8pk Ls3/lsxr fits LS3

The 146003-8 Intake Port Seals are a crucial component in ensuring a proper seal between the intake manifold and cylinder heads in LS3 and LSXR engines. These seals provide an essential function in preventing air leaks and maintaining engine compression. Each set includes eight individual seals, designed with a durable, high-performance material that can withstand the extreme temperatures and pressures encountered in high-performance applications.

The intake port seals are engineered to fit perfectly in the intake ports of LS3 and LSXR engines, ensuring a precise seal every time. They are manufactured with a double O-ring design that provides an added layer of sealing capability, helping to prevent any potential leaks. The O-rings are made of a high-quality, flexible material that can conform to the contours of the intake ports, ensuring a tight seal even after repeated use.

The 146003-8 Intake Port Seals are easy to install and can be replaced as part of routine engine maintenance or during a more extensive engine build. They are designed to be installed from the top of the engine, making the installation process more accessible and less time-consuming compared to other sealing solutions.

In summary, the 146003-8 Intake Port Seals are a must-have for any LS3 or LSXR engine builder or tuner who wants to ensure optimal engine performance and reliability. These high-quality seals provide a tight, leak-free seal between the intake manifold and cylinder heads, helping to maintain engine compression and improve overall engine efficiency. With their durable, high-performance material and easy installation process, these seals are an essential addition to any engine build or maintenance project.

Intake port seals are an essential part of an engine's intake system, and they help prevent air leaks that can negatively impact engine performance. The 146003-8 intake port seals are specifically designed for LS3 and LSXR engines. Here are some pros and cons of buying these seals:

1. Improved Engine Performance: By sealing air leaks, intake port seals can help improve engine performance, leading to better acceleration and power.

2. Reduced Engine Noise: Intake port seals can also help reduce engine noise by preventing air from escaping through leaks in the intake system.

3. Long-lasting: These seals are designed to be long-lasting, providing reliable sealing for an extended period.

4. Easy Installation: Intake port seals are relatively easy to install, making it a DIY-friendly upgrade.

1. Expense: Intake port seals may seem like a small upgrade, but they can be quite expensive, especially when purchasing them in a set of eight.

2. Not Necessarily a Performance Upgrade: While intake port seals can improve engine performance by sealing leaks, they may not provide the same level of power gains as other performance upgrades.

3. May Not Be Necessary: If your engine is running well and there are no noticeable air leaks, then intake port seals may not be necessary.

The decision to buy intake port seals for your LS3 or LSXR engine ultimately depends on your specific needs and budget. If you're experiencing noticeable air leaks or looking to make a DIY upgrade to improve engine performance, then intake port seals could be a worthwhile investment. However, if your engine is running well and you're on a tight budget, then it may be best to hold off on this upgrade.

If you're considering buying intake port seals for your LS3 or LSXR engine, it's essential to do your research and purchase them from a reputable supplier. Make sure to check reviews and ask for recommendations from other car enthusiasts before making a purchase. Additionally, consider checking local automotive parts stores for potential discounts or deals.

Details:

Port height : 2.982 in. If a defect is identified after this period, it will fall under the manufacturers warranty and should be handled directly with them. Quantity: Set of 8. To ensure compatibility, please verify that the item fits your vehicle.

Port width : 1.542 in. Intake Manifold Gasket - 1.542 x 2.982 in Rectangular Port Rubber.A.S.T LSXR LS3 Manifolds Set of 8. Port Shape: Rectangle. This requirement only applies to fitment-specific parts; if the item is unrelated vehicle fitment or considered a universal fit, this step can be disregarded.

part #: 1460038 prices

• $40.00-$56.95

specifications inputmanifolds:

• for models: Ls3
• brand: Fast Electronics
• part type: Intake Seal
• manufacturer part number: 146003-8
• port shape: Rectangle
• port height: 2.982 In
• port width: 1.542 In
• distributor base gasket included: No
• material: Rubber
• quantity: Set Of 8
• upc: 036584277415

shipping inputmanifolds:

• transit: 2-5 Days
• type: Fixed
• class: Standard
• service: Standard
• cost: $0.00

seller inputmanifolds:

• rating: 97.4%
• city: Watervliet, Michigan
• # reviews: 2002

payments inputmanifolds:

• credit card: Diners-club
• wallet: Paypal
• other

general inputmanifolds:

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

returns inputmanifolds:

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

offer inputmanifolds:

• sold: 0
• started: January 8, 2026
• best offers: True
• options: Ship-to-home
• availability: In Stock
• quantity: 4

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