Blower Drive Service Clamp-On Supercharger Idler Pulley Arm 3.370" Diameter Aluminum Polished - Each Line Clamp Measures 20-1/2" wide x 12"

Measures 20-1/2" wide x 12" tall and weighs just under 1 lb

Allstar Adjustable GM F-Body Centerlinks

Bottom Half

1958-1958 Plymouth Plaza

1961-1966 Ford Econoline

Blower Drive Service Clamp-On Supercharger Idler Pulley Arm 3.370" Diameter Aluminum Polished - Each Line Clamp Measures 20-1/2" wide x 12"Product Description: Supercharger Idler Pulley Arm Clamp On 3. 370 in Diameter Aluminum Polished Sold Individually Superchargers are one of the most popular engine additions for those who desire big performance gains. Blower Drive Service offers every aspect of super charging. Whether you? re looking for complete kits or a certain piece for your existing setup, BDS is the company to look to.