Tested On Vacuum Pump And Vacuum Actuator To Ensure This Unit Under A Load Can Preform To OEM Or Higher Standards. 1997-2004 Chevrolet Corvette 8 Cyl 5.7L 2 DOOR, CONVERTIBLE, NOTCHBACK. Parts Ultrasonically Cleaned, Reassembled, Tested To Hold Vacuum And To Actuate 100% Independently.
