Isky Cams Piston Notching Tool Pilot 5/16" Diameter 2010293 1984-1991 GMC C3500

1984-1991 GMC C3500

Carb recommendations: Edelbrock Thunder Series AVS or Performer Series 650-800 cfm

500" Rectangle Port

Shoulders adjust from 15" to 40" and lap belt adjusts from 22" to 60"

Isky Cams Piston Notching Tool Pilot 5/16" Diameter 2010293 1984-1991 GMC C3500Product Description: Pilot Piston Notching Tool 5 16 in Diameter Sold Individually As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. These tests are conducted daily in Isky's new enlarged dyno facility. To properly evaluate and prove the efficiency of Isky racing cams and valve train components, Isky maintains a continuous