A mid-rise, single-plane carbureted intake manifold for GM LS engines with rectangle port heads (LS3, L92 and similar 6.0L / 6.2L). Bolt a 4-barrel carburetor onto your LS for a simple swap without a fuel-injection system. O-ring head flange for an OEM-style seal. Power band: 2,500 to 7,000 RPM.
Before you order:
Full specifications are in the Specifications tab.
This is the carbureted version. For fuel injection with the same layout, see the 300-136 EFI. Our LS carb intake guide compares the options.
Email haytalras@gmail.com with your vehicle, engine and cylinder head casting number and we'll confirm before you order.
Download the official Haytalras installation instructions for this 300-131 part. We recommend reading them and doing a test fit before final assembly.
View / Download Installation PDF
Questions during install? Email haytalras@gmail.com with your engine and part number and we'll help.
Full details: Returns & Warranty