Adjustable Ignition Vacuum Advance Kit for GM HEI (1975–1981) 72315

Includes: - Adjustable Ignition Vacuum Advance Kit for GM HEI

Fits Models: - Chevrolet, GMC, Pontiac

Model Years: - 1975–1981

Submodels: - Common trims include Camaro, Nova, Chevelle, Firebird, and various GMC truck models. Chassis codes may include F-body (Camaro/Firebird) and A-body (Chevelle/Nova).

Engine Options: - Common engine sizes include 305ci (5.0L), 350ci (5.7L), and 400ci (6.6L) V8 engines, with engine codes such as L48, L65, and L34.

Description: This Adjustable Ignition Vacuum Advance Kit is designed for GM HEI distributors from 1975 to 1981. It enhances ignition timing for improved engine performance and efficiency. The kit allows for fine-tuning of the vacuum advance to suit various driving conditions.

Features: - Compatible with GM HEI distributors from 1975–1981 - Adjustable vacuum advance for optimal timing - Improves engine performance and fuel efficiency - Easy installation with included instructions

Part Numbers: - 72315