Proflow Carburetor Spacer 2" Thick Phenolic Open 4150 (PFECS400)

Proflow 2" Phenolic Carburetor Spacer - Open 4150

The Proflow PFECS400 carburetor spacer delivers measurable performance gains by extending the intake mixture column to improve air/fuel distribution and reduce fuel temperature inside the carburetor. This 2-inch thick phenolic spacer creates a denser, more powerful fuel charge while providing valuable linkage clearance for custom throttle setups.

Key Features

• 2 Inch Thickness: Optimal height for improved air/fuel mixing and distribution
• Phenolic Construction: Insulates carburetor from engine heat for cooler, denser fuel charge
• Open Plenum Design: Unrestricted airflow for maximum performance
• 4150 Flange: Direct fit for Holley 4150 and compatible carburetors
• Complete Kit: Includes stud kit and gaskets for ready installation
• Heat Insulation: Reduces fuel temperature to prevent vapor lock and percolation
• Linkage Clearance: Provides extra space for custom throttle cable setups

Performance Benefits

• Improved air/fuel distribution across all cylinders
• Cooler carburetor operating temperature
• Denser fuel charge for more power
• Better throttle response
• Reduced risk of vapor lock in hot conditions

Technical Specifications

• Thickness: 2 inches (50.8mm)
• Material: Phenolic/plastic composite
• Design: Open plenum
• Flange: 4150 (Holley pattern)
• Includes: Stud kit and gaskets
• Weight: 0.5kg

Carburetor Compatibility: Holley 4150, 4160, and other 4150-pattern carburetors including Edelbrock, Quick Fuel, and Demon.

Perfect for: Street performance engines, hot rods, muscle cars, and any application using a 4150-pattern carburetor where improved air/fuel distribution and heat insulation are desired.

Part number: PFECS400 | Barcode: 90014253 | Australian stock ready to ship.