Trans-Dapt Aluminum Carburetor Spacer - Holley 2 BBL - 1" Tall - Open Center HK-NF 12V electric cutout bolts to

12V electric cutout bolts to a standard 3-bolt collector flange and uses a powerful geared motor to open and close a butterfly valve to direct exhaust

2008-2009 GMC Envoy

Full length headers are typically used for higher RPM horsepower

MLX technology can be found in some head gaskets and are made from the same materials as our MLS Head Gaskets

494" OD guides

Trans-Dapt Aluminum Carburetor Spacer - Holley 2 BBL - 1" Tall - Open Center HK-NF 12V electric cutout bolts toTrans Dapt Performance 1" Tall, Holley 2bbl Spacer Open Cast Aluminum Carburetor Spacer For Holley 350 500 650 CFM 2 barrel carburetors. Precision aluminum construction. Gaskets, studs & nuts included. Each member company of the Hedman Performance Group is a specialist in the field they serve. Hedman hedders specializes in headers, Trans Dapt Engine transmission swap mounts, and Hamburger's focuses on oil pans. Trans Dapt offers a wide range of custom