Edelbrock Carburetor VRS 4150 Calibration Tune up kit, suits 1306, 1307, 1308, 1309 Carby Power valve, jets

Edelbrock VRS 4150 Calibration Kit – Race Carburetor Tune Kit (1306, 1307, 1308, 1309)

The Edelbrock VRS 4150 calibration kit is the complete tuning solution for Edelbrock VRS race carburetors, giving you full control over fuel delivery, power valve operation and air bleed adjustment.

Designed to suit Edelbrock VRS 4150 carburetors including 1306, 1307, 1308 and 1309, this kit allows precise tuning of fuel curves, power enrichment and throttle response for both street and race applications.

If you’re chasing maximum performance from your VRS 4150 carburetor, this kit gives you the parts to dial it in properly.

Edelbrock ED13201 Kit Contains:

• Main fuel jets (even sizes 62–78) for global fuel adjustments
• Power valves (5.5”, 6.5”, 7.5” Hg) for enrichment control
• 6-32 metering jets for idle, intermediate and power circuits
• 10-32 air bleed jets for top-side tuning access
• Accelerator pump squirters (.033, .035, .040)
• Over 130 precision components
• Handy hard plastic storage case. 

All jets are precision machined brass, made in the USA, ensuring consistent sizing and repeatable tuning results.

What This VRS 4150 Calibration Kit Does

• Adjust main jetting for overall fuel delivery
• Tune power valve opening points for load and acceleration
• Fine-tune idle, intermediate and high-speed circuits
• Modify air bleed sizing for precise fuel curve control
• Adjust accelerator pump shot duration and response

NOTE:  This KIT does not suit E85 or Oxygenated fuels

This is essential when tuning for:

• Camshaft upgrades
• Engine capacity changes
• Track vs street conditions
• Altitude and weather variations

Features and Benefits

Contains four of each even numbered main fuel jet from 62-78 for quick global fuel adjustment.
Contains 40 fuel circuit 10-32 threaded bleed jets for quick fine-tuning adjustments.
Includes power valves and channel restrictors for ideal lean cruise to power enrichment adjustments.
All jets are precision machined brass Made in the USA