HOLLEY SE1-GM1F-LSX-M Gm Body Level Ls Swap Manual 090127996607 67-69 68-74

( Brand: Holley ), ( Part Type: Manual ), ( Manufacturer Part Number: SE1-GM1F-LSX-M ), ( Manufacturer Warranty: Manufacturers 90 Day Limited Warranty ), ( Item Height: 10.000 ), ( Item Length: 60.000 ), ( Item Weight: 30.0000 ), ( UPC: 090127996607 )

Review HOLLEY Gm 67-69 F body 68-74 X Level Ls Swap Essentials Manual

Introducing the Holley SE1-GM1F-LSX-M Fuel Injection System, specifically designed for GM 67-69 F-Body and 68-74 X-Body vehicles undergoing an LS engine swap. This is a level-M manual system, offering an ideal balance between affordability and performance.

This Holley fuel injection system is equipped with a 650cfm Holley 4160 Series Carburetor, allowing for excellent fuel delivery and air/fuel ratio control. The carburetor features an electric choke, making cold starts a breeze. It also includes a vacuum secondary system for improved idle quality and drivability.

The SE1-GM1F-LSX-M system comes with a Holley EFI electronic control unit (ECU), which is fully programmable using Holley's EFI Calibration Software. This enables you to fine-tune your fuel delivery settings, ensuring optimal engine performance. The ECU also includes a wide range of built-in safety features, such as fuel pressure limiting and fuel cut-off during hard acceleration.

The system includes a Holley 16-inch Throttle Body, which features an integrated idle bypass circuit for smooth engine idle. The throttle body is also compatible with various air intake setups, providing flexibility in customizing your engine intake system.

Additionally, the SE1-GM1F-LSX-M system includes a Holley 340lph Fuel Pump, which delivers ample fuel flow to the carburetor for efficient combustion. The system also includes a wiring harness, fuel pressure regulator, and necessary mounting hardware for easy installation.

In summary, the Holley SE1-GM1F-LSX-M Fuel Injection System is a high-performance, cost-effective solution for GM 67-69 F-Body and 68-74 X-Body vehicles undergoing an LS engine swap. This system offers precise fuel delivery control, easy installation, and the ability to fine-tune your engine settings using Holley's EFI Calibration Software.

Holley's SE1-GM1F-LSX-M kit is a popular option for those looking to perform a LS engine swap in General Motors F-body and X-body vehicles from the 1967 to 1969 and 1968 to 1974 timeframes, respectively. This manual kit offers several advantages and disadvantages that should be considered before making a purchase.

1. Comprehensive Kit: The Holley SE1-GM1F-LSX-M is a complete kit that includes essential components such as a Holley EFI system, wiring harness, fuel system, cooling system, and more. This makes the installation process more manageable for those without extensive mechanical experience.

2. Flexible: This kit is adaptable to various LS engine options, allowing users to choose the engine size and configuration that best suits their needs.

3. Improved Performance: By utilizing an LS engine and Holley EFI system, users can expect improved power output and throttle response compared to the original engines.

4. Modern Convenience: The Holley EFI system offers several features, such as adjustable idle, electronic ignition, and diagnostics, making the driving experience more enjoyable and reliable.

5. Warranty: Holley offers a 3-year warranty on the EFI system, providing peace of mind for those making the investment.

1. Cost: The Holley SE1-GM1F-LSX-M kit represents a significant financial investment. The cost of the kit, along with the additional expenses of purchasing an LS engine, transmission, and other necessary components, can be a deterrent for some potential buyers.

2. Complexity: Although the kit is designed to make the LS engine swap process more manageable, it still requires a considerable amount of mechanical knowledge and experience. Those without a strong foundation in automotive repair may find the installation process overwhelming.

3. Potential Compatibility Issues: Although the Holley SE1-GM1F-LSX-M kit is adaptable to various LS engine options, it may not be compatible with all vehicle configurations. Users should carefully review the compatibility chart provided by Holley to ensure that their specific vehicle and engine combination is supported.

The Holley SE1-GM1F-LSX-M kit offers several advantages, such as a comprehensive solution, improved performance, and modern convenience, making it an attractive option for those looking to perform an LS engine swap in their F-body or X-body GM vehicle. However, the significant investment required and the complexity of the installation process may deter some potential buyers. Ultimately, the decision to purchase this kit depends on the individual's mechanical expertise, budget, and desired performance improvements. If the advantages outweigh the cons for a particular user, the Holley SE1-GM1F-LSX-M kit can be an excellent investment for enhancing the driving experience of their classic GM vehicle.

For those considering the Holley SE1-GM1F-LSX-M kit, it is essential to carefully review the compatibility chart provided by Holley and ensure that their specific vehicle and engine combination are supported. Additionally, considering the complexity of the installation process, it may be beneficial to seek professional assistance or consult with a knowledgeable mechanic to ensure a successful and efficient installation. Lastly, it's crucial to be aware of the financial investment required and ensure that the desired performance improvements justify the cost.

part # se1gm1flsx prices

• $719.95-$757.12

specifications injectiopug:

• brand: Holley
• part type: Manual
• manufacturer part number: SE1-GM1F-LSX-M
• manufacturer warranty: Manufacturers 90 Day Limited Warranty
• item height: 10.000
• item length: 60.000
• item weight: 30.0000
• upc: 090127996607

general injectiopug:

• condition: New
• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts

shipping injectiopug:

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

returns injectiopug:

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

payments injectiopug:

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

offer injectiopug:

• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• started: April 23, 2026

seller injectiopug:

• rating: 99.8%
• # reviews: 90132

Holley SE1-GM1F-LSX Is Similar To:

• Holley 508-11 Throttle Body Gasket (31.7% similar) $78.35. (December 14th, 2024)
• Holley Efi 300-685bk 105mm Throttle Body Adapter Billet Black Finish (28.6% similar) $104.95. (March 16th, 2025)
• Holley Efi 300-676bk 105mm Throttle Body Adapter Cast Black Finish (30.3% similar) $52.95. (March 29th, 2025)
• Holley 534-45 Throttle Body Wiring Harness (28.1% similar) $6.95. (April 14th, 2025)
• Holley Efi 090127105085 300-660 Throttle Body Adapter Plate (31.7% similar) $74.22–$94.49. (May 1st, 2025)
• Holley 526-23 G-body Returnless Fuel System Kit (36.1% similar) $898.90–$981.45. (May 6th, 2025)
• Holley 534-56 Throttle Body Wiring Harness (28.1% similar) $43.95–$44.82. (May 28th, 2025)
• Holley Efi 090127061190 300-240f Throttle Body Intake Elbow (29% similar) $223.95. (July 13th, 2025)
• Holley Efi 300-714 Ultra Lo-ram 105mm Throttle Body Adapter - Gm Gen V Lt (35.2% similar) $199.95. (July 16th, 2025)
• Holley Efi 503-5 Throttle Body Injection Renew Kit (27.9% similar) $108.95. (July 24th, 2025)
• Holley 9910-102 Throttle Body Gasket (27.9% similar) $30.18–$54.55. (August 11th, 2025)