Powermaster V-Belt Crankshaft Pulley 1 Groove 5-1/4" Diameter Aluminum - Gray Anodize JMS The dual 12" high output

The dual 12" high output electric fans are some of the most proven and reliable fans in our line-up

Improved throttle response for 60 feet times

Driver Side Block Mount

Slotted mounting holes & dual throttle cable mounting bracket bosses allow the elbow & throttle body to be mounted forward

Powermaster V-Belt Crankshaft Pulley 1 Groove 5-1/4" Diameter Aluminum - Gray Anodize JMS The dual 12" high outputProduct Description: Crankshaft Pulley V Belt 1 Groove 5. 25 in Diameter Hardware Included Aluminum Gray Anodized Big Block Chevy Sold Individually Powermaster produces alternators and starters for both street rod and racing applications. They also offer related accessories, including brackets, wiring harnesses, pulleys, and drive kits. Powermaster Motorsports is the leader in high performance alternators and starters for auto racing.