Holley Vacuum Passage Gasket H776001XS 1/16-3/8 in Grip Range

1/16-3/8 in Grip Range

Adjustable steel or aluminum brackets clamp to square tubing

2001-2002 GMC C3500HD

250" diameter rollers that roll as the enter and exit the sprocket teeth

Holley Vacuum Passage Gasket H776001XS 1/16-3/8 in Grip RangeHolley 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.