GM LS CARBY INTAKE MANIFOLD RECTANGLE PORT NON-EFI LS3 BLACK Aeroflow - AF 6240-6000

GM LS CARBY INTAKE MANIFOLD RECTANGLE PORT NON-EFI LS3 BLACK Aeroflow - AF 6240-6000

Marsoni

M251S

$248.62

Get it in 3 business days with 1 day shipping. Friday, May 29

GM LS CARBY INTAKE MANIFOLD RECTANGLE PORT NON-EFI LS3 BLACK Aeroflow - AF 6240-60004 Barrell 4150 Square Bore Carburettor Pad Convert your GM LS engine from EFI to Non EFI carburettor in retro fit applications with this Aeroflow Performance Street low rise cast intake manifold. This single plane intake manifold is designed to keep your air and fuel distribution going into the engine at a steady and even flow for maximum performance and efficiency. The carburettor mounting pad is designed to accept aftermarket 4150 square bore

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I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive. It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives. While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on March 7, 2026

Verified Purchase

Jack

Boise, US

★★★★★ 5

Must have.

Size: 150 ml, Pack of 1

Very good product, works great.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 7, 2026

Verified Purchase

Robert Cordrick

Draper, US

★★★★★ 5

Good for routine engine care

Size: 150 ml, Pack of 1

Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on April 21, 2026