(HOLLEY IS ONLY TWO DOOR). REPLACE YOUR HOLLEY 125-95. WE ARE CARBURETOR SPECIALISTS! POWER VALVE WITH A BETTER 4 DOOR POWER VALVE BY QUICK FUEL TECHNOLOGY. 9.5 POWER VALVE. VITON COATED GASKET. 4 Door Power Valves Move the Fuel More Quickly for Better Throttle Response.