Proflow PFEM300132BK LS Intake Manifold RPM AirMax Single Plane – Black Aluminium (No Box / Mock-Up)

Proflow's PFEM300132BK RPM AirMax single plane intake manifold lets you bolt a carburettor straight onto your LS engine. Compatible with all GM LS Gen III and Gen IV engines fitted with rectangular or cathedral port cylinder heads, this manifold delivers a broad 2500–7000 RPM power band and suits carbureted, throttle body EFI, centrifugal blower, turbocharged, and NOS applications.

⚠️ Condition Note: This unit is sold without original packaging and has been used as a mock-up fitment on an engine. It is in excellent functional condition. Priced accordingly — save $74.90 off the standard retail price.

Features:

• Suits carbureted or throttle body EFI street applications
• 2500–7000 RPM power band
• Black coated cast aluminium construction
• 4150 dual plane square bore flange
• Optimised runner layout with constant cross-sectional area for a broad torque curve
• Compatible with centrifugal blower, turbocharged, and NOS power adder applications
• O-ring cylinder head mounting flange for OEM-quality seal
• Height (front): 4.95" from front lifter valley cover to carb mounting flange
• Height (rear): 5.47" from rear lifter valley cover to carb mounting flange
• Port size: 2.659" H × 0.918" W
• Includes mounting bolts, washers, pipe plugs, gaskets, and seals

Compatibility:

• GM LS Gen III / Gen IV engines
• Fits LS1, LS2, LS6 cathedral port cylinder heads
• Holden Commodore and Chevrolet LS applications