Description
Part Number: 300-132
Holley GM LS1/LS2/LS6 Single Plane Carbureted Intake Manifold
Engineered for GM Gen III and IV LS engines with cathedral port heads, delivering maximum high-RPM airflow and broad torque performance from 2,500 to 7,000 RPM.
Key Features
- ☑ Single-plane mid-rise intake layout providing an optimized 2,500–7,000 RPM power band
- ☑ Standard Holley 4150 square bore carb mounting flange accepting up to 1.75″ throttle bores
- ☑ Designed specifically for GM LS1, LS2, and LS6 cathedral port cylinder heads
- ☑ Lightweight cast aluminum construction with consistent wall thickness and low 4.95″ carb height
- ☑ Ideal induction solution for naturally aspirated, centrifugal supercharger, turbocharger, or nitrous setups
Technical Specifications
| Brand | Holley |
|---|---|
| Manufacturer Part Number | 300-132 |
| Manifold Style | Single Plane Mid-Rise |
| Cylinder Head Style | GM LS Cathedral Port (LS1 / LS2 / LS6) |
| RPM Power Band | 2,500 – 7,000 RPM |
| Carburetor Mounting Flange | 4150 Square Bore (accepts up to 1.75″ throttle bores) |
| Carb Flange Height | 4.95″ (front lifter valley cover flange to carb flange) |
| Port Dimensions | 2.66″ H x 0.92″ W |
| Material / Finish | Cast Aluminum / Natural |
| Vacuum & MAP Ports | 3/8″ NPT Vacuum Port, 1/8″ NPT MAP Sensor Port |
What’s Included in the Box
- 1x Holley Single Plane Carbureted Intake Manifold (PN 300-132)
- 8x Viton® Cylinder Head O-Ring Gaskets
- 1x Zinc-Plated Hex Head Mounting Bolts & Washers Hardware Set
- 1x 3/8″ NPT Hex Socket Pipe Plug
- 1x 1/8″ NPT Hex Socket Pipe Plug
Built with legendary Holley engineering, the 300-132 manifold provides precise fuel-air delivery and proven race-grade reliability. Order directly from JP Racing for specialist UK support and fast, trackable dispatch across the UK.
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