Proflow 90 Degree Male Adaptor - Female Adaptor Swivel Coupler Hose End -04AN, B Holden Our tall 6061-T6 aluminium valve

Our tall 6061-T6 aluminium valve covers will clear most of the popular rocker combinations with a choice of different logos and finishes

00mm (40mm long) studs matching nuts

They are a great upgrade when increasing boost pressure and can be used with a variety of engines with the correct fitting kit (sold separately)

Specifically designed for 396-502 cubic inch big-block Chevy engines with large oval-port cylinder heads (1975and earlier) operating from 1500 to 6500 rpm range

VB-VK Sedan/Wagon 173 2

Proflow 90 Degree Male Adaptor - Female Adaptor Swivel Coupler Hose End -04AN, B Holden Our tall 6061-T6 aluminium valvePart Number : Proflow makes such a wide variety of swivel couplers, we can't imagine a plumbing job that you couldn't use them on. The couplers are available for male to male, female to female, and male to female thread in AN and NPT versions. Swivel to swivel couplers as well to make life simpler.