Holley EFI Intake Manifold - Square Bore - Single Plane - Rectangle Port - Fuel Rails Included - Small Block Ford AA0220BG1R 3/8" NPT ports ( 1

3/8" NPT ports ( 1 in

1996-2002 GMC Savana 2500

It is recommended for use with all popular dual ring servos

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Holley EFI Intake Manifold - Square Bore - Single Plane - Rectangle Port - Fuel Rails Included - Small Block Ford AA0220BG1R 3/8" NPT ports ( 1Engine Intake Manifold 4150 square bore mounting flange Power band: 2500 7500 RPM Height: front 5. 58", rear 6. 40" Port size: 1. 82" height, 1. 04" width Extra material allows for porting to 2. 00" height, 1. 20" width Anodized aluminum fuel rails with laser etched logo (EFI model) 6AN Includes fuel rail mounting brackets in two sizes for more options in fuel injectors (EFI Model) Accessory ports under the carburetor in 1 8 NPT, 1 4 NPT and 3 8 NPT