This new part is used on Holley 4 barrel model 4160 with 585 CFM and Vacuum Secondary. NO accelerator pump transfer tube. Black gaskets are tolerant with E-85 gasoline. NOTE: THIS GASKET "WILL" FIT LIST # 3917, 3918, 4217, 4218, 4366, 4367, 4440, 4668, 4734, 4739.
