Aeroflow 4-1/2" (114.3mm) V-Band Clamp Kit with Aluminium Weld Flanges AF92-4500D Product:Kit Includes 2 x Aluminium Weld Rings and 1 x Stainless Steel Clamp You will also note that

You will also note that ARP offers specially undercut studs for several engines

90° Male ORB Full Flow Swivel Hose End -16 ORB to -16AN

Part Number: AF49-1603

1/2" NPT to -10 100/450 series Hose

Aeroflow 4-1/2" (114.3mm) V-Band Clamp Kit with Aluminium Weld Flanges AF92-4500D Product:Kit Includes 2 x Aluminium Weld Rings and 1 x Stainless Steel Clamp You will also note that4 1 2" (114. 3mm) V Band Clamp Kit with Aluminium Weld Flanges Kit Includes 2 x Aluminium Weld Rings and 1 x Stainless Steel Clamp Brand: AEROFLOW Part Number: AF92 4500D Description: Aeroflow Performance V Bandkits make it easy to install and remove exhaust systems andturbo parts. The self aligningV design weld flanges have been designed with a male to female connection which not only helps align the bands butalso provides multiple sealingsurfaces