100% Brand New pair of fuel rail fitting adapters CNC Machined from 6061-T6 Aluminum. Black anodized for great appearance and anti-corrosion Specification : 6 AN (male) to 3/8 & 5/16 (female) GM Quick Connect Straight Adapter Fitting These ends allow you to use steel braided or a variety of other AN hose and fittings when plumbing your LT1 or LS swap. These just push on over your existing fuel rail ends and are held in place with durable clips Fits the following fuel rails:1992-1996 LT1 Corvette, 1993-1997 LT1 Trans Am/Camaro, 1997-1998 LS1 Corvette , 1999-2004 LQ4/LQ9 Truck rails Product Description
100% Brand New pair of fuel rail fitting adapters
CNC Machined from 6061-T6 Aluminum
Black anodized for great appearance and anti-corrosion
Specification : 6 AN (male) to 3/8 & 5/16 (female) GM Quick Connect Straight Adapter Fitting
This is both a feed (3/8") and return (5/16") setup, which converts to AN6
These ends allow you to use steel braided or a variety of other AN hose and fittings when plumbing your LT1 or LS swap
These are #6 threads for the hose end
These just push on over your existing fuel rail ends and are held in place with durable clips
Professional Installation Is Highly Recommended. (No Instruction Included)​

Fits the following fuel rails:
1992-1996 LT1 Corvette
1993-1997 LT1 Trans Am/Camaro
1997-1998 LS1 Corvette
1999-2004 LQ4/LQ9 Truck rails

Package
1X 6 AN (male) to 3/8 (female) GM Quick Connect Straight Adapter Fitting
1X 6 AN (male) to 5/16 (female) GM Quick Connect Straight Adapter Fitting