Accel - Adj Vacuum Advance Unit HEI GM Distributors
Adjustable Vacuum Advance for GM HEI Distributors by Accel.
                            
                            
                            Specification
                                        Brand
                                    
                                    
                                        Accel
                                    
                                
                                        Item Number
                                    
                                    
                                        ACL31035
                                    
                                
                                        Part Length
                                    
                                    
                                        8.9
                                    
                                
                                        Part Width
                                    
                                    
                                        5.45
                                    
                                
                                        Part Height
                                    
                                    
                                        2.75
                                    
                                Description
Upgrade your GM HEI distributor with the Accel Adjustable Vacuum Advance Unit. This component allows for seamless adjustment of ignition advance, optimizing horsepower and throttle response. Ideal for enhancing spark advance while preventing engine detonation, it includes an Allen wrench and detailed instructions for ease of installation.
Disclaimer
Not legal for sale or use on California pollution-controlled motor vehicles. Applicable for specific vehicle models as per the Federal Clean Air Act of 1990.