Holley 650 CFM 4 barrel carburetor is designed to replace Rochester Quadra-Jet 4 barrel carburetors.
- Holley marine carburetor
- Model 4175
- 4 BBL
- Spread bore
- Air and fuel flow rated for 650 cfm
- J tube directs fuel and fumes back into the carburetor for safe operation in marine applications
- Vacuum secondaries
- Electric choke
- 30cc accelerator pump
- Single fuel inlet
- 5 in. airhorn
- May require spacer to clear water outlet in some applications
- Holley diaphragm spring kit p/n 20-13 (sold separately) changes secondary throttle operating ranges
- Holley renew p/n 703-34 (sold separately)
- Replaces Mallory 9-34057
- Replaces Crusader RF052009