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HEI Advance Curve Kit 72300 for GM HEI Distributors, 3-Set Adjustable Ignition Advance, Compatible with Chevy, Pontiac, GMC, Cadillac, Buick V6/V8 in Saudi Arabia HEI Advance Curve Kit 72300 for GM HEI Distributors, 3-Set Adjustable Ignition Advance, Compatible with Chevy, Pontiac, GMC, Cadillac, Buick V6/V8 in Saudi Arabia HEI Advance Curve Kit 72300 for GM HEI Distributors, 3-Set Adjustable Ignition Advance, Compatible with Chevy, Pontiac, GMC, Cadillac, Buick V6/V8 in Saudi Arabia HEI Advance Curve Kit 72300 for GM HEI Distributors, 3-Set Adjustable Ignition Advance, Compatible with Chevy, Pontiac, GMC, Cadillac, Buick V6/V8 in Saudi Arabia HEI Advance Curve Kit 72300 for GM HEI Distributors, 3-Set Adjustable Ignition Advance, Compatible with Chevy, Pontiac, GMC, Cadillac, Buick V6/V8 in Saudi Arabia HEI Advance Curve Kit 72300 for GM HEI Distributors, 3-Set Adjustable Ignition Advance, Compatible with Chevy, Pontiac, GMC, Cadillac, Buick V6/V8 in Saudi Arabia HEI Advance Curve Kit 72300 for GM HEI Distributors, 3-Set Adjustable Ignition Advance, Compatible with Chevy, Pontiac, GMC, Cadillac, Buick V6/V8 in Saudi Arabia

HEI Advance Curve Kit 72300 for GM HEI Distributors, 3-Set Adjustable Ignition Advance, Compatible with Chevy, Pontiac, GMC, Cadillac, Buick V6/V8

SAR 94
Brand
Axfvd
Weight
41 g
– 1 +

Special Features

  • HEI Distributor Compatibility: Precision-engineered for GM HEI distributors, this HEI Advance Curve Kit ensures seamless integration and optimal performance across all compatible Chevrolet, Pontiac, GMC, Cadillac, and Buick V6/V8 engines.
  • 3-Set Adjustable Ignition Advance: Equipped with 3 groups of advance springs in different stiffness (Fast/Ultra-Fast/Extreme-Fast) to freely adjust the speed and timing of spark advance—performance, and race—enabling precise, tuning of initial, mechanical, and vacuum advance timing for your specific driving needs.
  • Engine-Specific Optimization: Designed exclusively for GM V6/V8 applications, the kit delivers accurate centrifugal advance calibration to maximize throttle response, fuel efficiency, and low-to-mid RPM torque in vehicles compatible with Chevy, Pontiac, GMC, Cadillac, and Buick powertrains.
  • High-Quality OEM-Matched Components: Features hardened steel weights, calibrated springs, and durable bushings built to exact HEI distributor specifications—ensuring long-term reliability and repeatable ignition timing consistency.
  • Plug-and-Play Recurve Solution: No machining or permanent modifications required—this Automotive Replacement Distributor Recurve Kit installs directly into HEI housings, making it the fastest, most reliable way to upgrade ignition timing on compatible platforms.

Description

The 72300 HEI Advance Curve Kit is exclusively designed for GM High Energy Ignition (HEI) distributors used in most V6 and V8 engines since 1974. Compatible with a wide range of vehicles including Chevy, GMC, Buick, Cadillac, and Pontiac models, this comprehensive 3-set adjustable ignition advance kit gives you the flexibility to fine-tune your ignition timing curve for optimal engine performance. The kit includes precision-machined advance weights, a variety of springs in multiple tension ratings (black, copper, and silver), and red bushing stops — everything you need to customize the advance curve to suit your specific engine setup and driving needs. Whether you're restoring a classic muscle car or upgrading your daily driver, this kit allows you to dial in your timing for improved throttle response, better fuel efficiency, and enhanced overall engine performance. The durable, polished components are built to last and designed for straightforward installation, making this an ideal all-inclusive solution for anyone looking to optimize their HEI distributor setup.

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