Edelbrock AVS2 Series Carburetor Calibration Kit for 650 CFM Carb

Carburetor calibration plays a major role in throttle response, drivability, and overall engine performance. Get the exact combination you want in your Edelbrock AVS2 Series 650 CFM carburetor with this calibration kit. It has all the components needed to fine-tune fuel delivery for cruising and high-load operation. That includes a detailed rod and jet calibration chart, making the tuning process extra user friendly.

Features and Benefits:
- Designed for Edelbrock AVS2 Series 650 CFM carburetors
- Tunes cruise and power fuel curves
- Helps improve throttle response
- Supports richer or leaner fuel adjustments
- Helps reduce hesitation and backfiring
- Includes calibration reference chart
- Complete with reusable storage case

Vehicle Fitment:
- Engines equipped with an Edelbrock AVS2 Series 650 CFM carburetor

Kit Includes:
- (7) pairs of metering rods
- (7) pairs of primary metering jets
- (5) step-up springs
- Metering rod retaining springs
- (6) replacement hairpin springs
- Rod/jet tuning chart
- Reusable storage case

Metering Rod Sizes:
- .067" x .037"
- .068" x .042"
- .070" x .042"
- .071" x .042"
- .073" x .037"
- .073" x .042"
- .075" x .042"

Metering Jet Sizes:
- .092"
- .095"
- .100"
- .104"
- .107"

Step-Up Spring Ratings:
- Blue: 3" Hg
- Yellow: 4" Hg
- Orange: 5" Hg
- Pink: 7" Hg
- Silver: 8" Hg

Please Note: This calibration kit is intended ONLY for Edelbrock AVS2 Series 650 CFM carburetors. Always follow Edelbrock tuning guidelines and make incremental adjustments for best results.