Haytalras 300-130 GM LS1 LS2 LS6 Cathedral Port Mid-Rise Dual Plane 4150 Intake Manifold 5.7L 6.0L

300-130 Carbureted Dual Plane Intake for LS1 / LS2 / LS6 Cathedral Port

A mid-rise, dual-plane carbureted intake manifold for GM LS engines with cathedral port heads (5.7L / 6.0L and the 4.8L / 5.3L truck engines). Put a 4-barrel carburetor on your LS for a simple, strong-running street swap. The dual-plane layout gives more low-end torque than a single plane, from 1,500 to 6,500 RPM. O-ring head flange for an OEM-style seal.

• Mid-rise dual-plane design, 5.60 in. height
• 4150-style square-bore carburetor flange
• O-ring cylinder head mounting flange
• Operating range: 1,500–6,500 RPM

Engine and Vehicle Fitment

• LS1, LS2, LS6 and other cathedral port Gen III / IV engines, standard deck
• 1998–2002 Camaro 5.7L; 1997–2004 Corvette 5.7L; 2005–2007 Corvette 6.0L; 2004–2005 Cadillac CTS-V 5.7L
• LS swaps using a cathedral port engine

Full specifications are in the Specifications tab.

What's Included

• 1 × intake manifold
• Additional parts as shown in the product photos

Why Haytalras

• Built in our own factory. We cast and CNC-machine our intake manifolds in-house. The same factory has produced intake manifolds for Holley, TSP and Professional Products.
• Checked before it ships. Every manifold goes through air-tightness, dimensional and visual inspection.
• Ships from the US. Free shipping from our California and Georgia warehouses, out the door within 24 hours, usually delivered in 3–7 days.
• Backed by us. 30-day free returns and a 1-year warranty on casting defects.

Frequently Asked Questions

Dual plane or single plane?

The 300-130 dual plane is best for street driving and towing. For a higher-RPM build, see the 300-132 single plane. Our LS carb intake guide compares them.

Not sure it fits?

Email haytalras@gmail.com with your vehicle, engine and cylinder head casting number and we'll confirm before you order.