Radium SAE Male EFI Quick Connect to 6AN Male Flare Fitting Size:5/16" SAE Male to 6AN Male Flare Builds boost earlier in the

Builds boost earlier in the RPM range

There's a reason this type of bushing is used by OE manufacturers

One slip of the die grinder can ruin your cylinder head

Using GFB's TMS technology the Mach 2 can help return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears (more information below)

Radium SAE Male EFI Quick Connect to 6AN Male Flare Fitting Size:5/16" SAE Male to 6AN Male Flare Builds boost earlier in theThese adapter fittings are available in 3 8" and 5 16" sizes. They push on and secure to most modern USA, European, Japanese, etc. fuel injection systems and are used to convert an OEM SAE Quick Connect hard line connection to AN male flares. To determine the required size, simply measure the outside diameter of the male fitting: . 375 = 3 8" . 3125 = 5 16" IMPORTANT: Always lubricate the mating O rings with a light amount of oil prior to installing.