Proform Pro Crankshaft Turning Socket Big Block Chevy RG40003L For vehicles with electronic control

For vehicles with electronic control (ETC) systems

supercharged or nitrous applications where additional fuel is required to prevent lean out conditions and engine damage

tough stainless steel terminals for "post" type distributor caps

For newer Plus Wideband AFR gauge models please use part number 5317Auto Meter Gauges are the number one choice of professional racers worldwide

Proform Pro Crankshaft Turning Socket Big Block Chevy RG40003L For vehicles with electronic controlProduct Description: Crankshaft Turning Tool Pro Series Aluminum Black Anodized Big Block Chevy 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