Porsche Ignition Distributor Vacuum Advance - 911 74-77 911-602-932-00 WKD-964-021-89 lubricating the outer part of

lubricating the outer part of the bushings will prevent them from welding to the body of the torsion bar

914 (1970-1976)

944 and 944S models

Castrol SRF also reacts chemically with the absorbed water to reduce its adverse effects creating an industry unheard of 518 °F (270 °C) wet boiling point

Porsche 911E camshaft

Porsche Ignition Distributor Vacuum Advance - 911 74-77 911-602-932-00 WKD-964-021-89 lubricating the outer part ofPorsche Ignition Distributor Vacuum Advance for 911 (1974 1975) and 911 S (1976 1977) models. Manufactured and individually tested to meet a much tighter tolerance band than original equipment published specifications. Each unit includes a certificate of test showing its' individual vacuum advance response plotted over an expanded scale factory vacuum advance curve.