Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededPROFORMPART NUMBER: 778-67100C
650-800 CFM High Performance 4150 Carburetor Main Body Mechanical Secondary Design
$15895
8 left in stock
Ships on Sep 08, 2026
Lowest Price GuaranteeMechanical Secondary Carburetors
- 650-800 CFM High Performance 4150 Carburetor Main Body
- Mechanical Secondary Design
- Gasoline
- Down-Leg Boosters
- Aluminum Body
- Fits Holley Double Pumper Models #4777 (650 CFM), #4778 (700 CFM), #4779 (750 CFM), #4780 (800 CFM)
- High-Flow Main Body
- Dyno-Proven Horsepower And Torque Gain
- Adjustable Screw-In Air Bleeds
- High-Performance Down-Leg Boosters
- Maximum Air Flow
- No Air Horn; Choke Tower; Or Choke Control
- High-Rate Air-Flow Section Design
Part TypeCarburetor Main Body
BrandPROFORM
Package Height5.3
Package Width5.8
Package Length5.8
Weight3.15 PG
Part CategoryPerformance Parts
Technical NoteMain body does not retain vacuum advance port in original metering block.
Primary Discharge Nozzle Size0.031 in (0.8 mm)
Main Body FinishNatural
Fuel Bowl Screw Gaskets IncludedYes
Metering Plate Gaskets IncludedNo
Metering Block Gaskets IncludedYes
QuantitySold individually
Primary Inner Air Bleed Sizes Included36
Air Bleed MaterialBrass
Fuel Bowl Gaskets IncludedYes
Accelerator Pump Discharge Nozzle IncludedYes
Air Bleeds IncludedYes
Primary Outer Air Bleed Sizes Included73
Secondary Outer Air Bleed Sizes Included73
Secondary Discharge Nozzle Size0.031 in (0.8 mm)
Main Body Gasket IncludedYes
Main Body MaterialAluminum
Jet Sizes Included72/84
Booster TypeDown-leg
Jet MaterialBrass
Part FitmentSemi Universal
Jets IncludedYes
Secondary Inner Air Bleed Sizes Included36
Vendor Part Number67100C
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations
