Proform Billet Aluminum Piston Ring Squaring Tool Natural - 4.000-4.230" Bores Cylinder Heads & Components Allows you to change the

Allows you to change the amount of ignition vacuum advance for maximum part-throttle performance while preventing the harmful effects of spark knock (detonation)

Getting this much flow from a stock geometry 23° head is an extremely impressive accomplishment

Be sure to check out all of our products from AEM Electronics including AEM Electronics Digital Temp Gauges

Vehicle Applications: 2019-2022 Dodge Ram 1500 67

Proform Billet Aluminum Piston Ring Squaring Tool Natural - 4.000-4.230" Bores Cylinder Heads & Components Allows you to change theProduct Description: Piston Ring Squaring Tool Billet Aluminum Natural 4. 000 4. 230 in Bores Sold Individually PROFORM invites racers to experience the strength, innovation, and power behind the PROFORM brand. PROFORM Parts (Specialty Auto Parts U. S. A., Inc.) is a leader in the High Performance Automotive Aftermarket by engineering and manufacturing creative products from intelligent concepts. Our goal is to provide the performance enthusiast with