Holley EFI Intake Manifold - Square Bore - Single Plane - Rectangle Port - GM LS-Series 1311111 Center hole accepts 1-1/4" tubing

Center hole accepts 1-1/4" tubing and has two 3/8" mounting holes spaced 2-1/4" apart

Sheet Plastic

To purchase a pair of plates

and White/Blue

1999-2010 Mercury Mountaineer

Holley EFI Intake Manifold - Square Bore - Single Plane - Rectangle Port - GM LS-Series 1311111 Center hole accepts 1-1/4" tubingHolley EFI Intake Manifold Square Bore Single Plane Rectangle Port Aluminum Natural GM LS Series 300 129 Features: Intake Manifold EFI Square Bore Single Plane Rectangle Port Aluminum Natural GM LS Series Vehicle Applications: 2008 2013 Chevrolet Corvette 2007 2008 GMC Yukon XL 1500 2007 2008 Cadillac Escalade EXT 2007 2008 Cadillac Escalade 2007 2008 GMC Sierra 1500 2008 2008 Hummer H2 2008 2008 Chevrolet Tahoe 2014 2017 Chevrolet SS 2009 2009