Edelbrock VRS-4150 650 CFM 4-Barrel Mechanical Secondary Race Carburetor

Balanced airflow and tuning control are critical for responsive street and strip combinations. This Edelbrock VRS-4150 650 CFM 4-barrel race carburetor with mechanical secondaries supports Chevy Small Block and moderate Big Block performance builds with 4-circuit billet metering blocks and screw-in emulsion bleeds for detailed fuel curve adjustments.

Features and Benefits:
- 650 CFM airflow suits small and mid-size builds
- Great for Big Block Chevy builds needing moderate CFM
- Mechanical secondaries provide direct throttle response
- 4-circuit metering blocks allow precise tuning
- Screw-in emulsion bleeds simplify adjustments
- High-capacity bowls help control fuel slosh
- TPS provision supports data logging systems

The 1-piece main body mounts directly to 4150 and 4500 flange manifolds without an adapter. High-capacity fuel bowls with internal ribs, corner-cut floats, and rear jet extenders help maintain consistent fuel delivery during acceleration, braking, and cornering. PTFE-coated throttle shafts promote smooth actuation, and provisions for a GM 3-wire throttle position sensor support EFI-hybrid data logging or transmission control setups.

Vehicle Fitment:
- Ideal for 327, 350, 383, and 400 SBC builds
- Any square bore (4150/4500) performance intake manifold