Holley Vacuum Passage Gasket H776001XS Adjustable steel or aluminum brackets

Adjustable steel or aluminum brackets clamp to square tubing

2001-2002 GMC C3500HD

Data logging output is included for one wire or two wire systems

Available in three unique finishes: natural billet (clear anodized for protection)

Holley Vacuum Passage Gasket H776001XS Adjustable steel or aluminum bracketsHolley Vacuum Passage Gasket 108 67 20 Seals Vacuum Passages To Vacuum Secondary To Automatic Choke Housing Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well.