Moroso Power Valve Tester - For Holley Carburetor Power Valves Oil Pressure Gauge 1977-1978 GMC C15 Suburban

1977-1978 GMC C15 Suburban

Fits SAE 3/8 and 1/2 in

Shift Points/Firmness

937 in Head

SUPER VICTOR BBC (3500-8500 RPM) This single-plane manifold was designed for Chevy big-blocks with rectangular port cylinder heads

Moroso Power Valve Tester - For Holley Carburetor Power Valves Oil Pressure Gauge 1977-1978 GMC C15 SuburbanConvenient tool checks Holley(R) Power Valves for ruptured diaphragms to prevent engine flooding Remove knurled cap and screw in the Power Valve; cut away section of tool allows visual inspection of valve's operation CNC machined from 6061 T6 aluminum and blue anodized to prevent corrosion Requires the use of a hand operated vacuum tester (available at most auto parts stores) Moroso Performance Products is one of the worlds most respected suppliers of