Holley carburetor base plate assemblies are designed for replacement of damaged or worn components. These base plates are manufactured from cast aluminum for durability and good looks.
This kit includes (1) Throttle Body Assembly and (1) Throttle Body Gasket
- Replacement Component for Holley Double Pumper 0-4777C; 0-4777S
About Holley Performance Products
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy 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. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!