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!
| Download Name | File Size |
| Warranty_Policy.pdf | 14.65KB |
| fuel_pump_tech_info.pdf | 168.1KB |
| Fuel_Pump_Tech_Info_12-327-20.pdf | 102.25KB |
| Make | Model | Years | Engine | Fitment Notes |
| Chevrolet | Chevy II | 1963 | 4.6L / 283 / V8 | Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Chevy II | 1964 | 4.6L / 283 / V8 | Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Chevy II | 1965 | 5.3L / 327 / V8 4.6L / 283 / V8 5.4L / 327 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Chevy II | 1966 | 5.3L / 327 / V8 4.6L / 283 / V8 5.4L / 327 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Chevy II | 1967 | 5.3L / 327 / V8 4.6L / 283 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Chevy II | 1968 | 5.3L / 327 / V8 5.0L / 307 / V8 5.4L / 327 / V8 5.7L / 350 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Nova | 1969 | 5.0L / 307 / V8 5.7L / 350 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Nova | 1970 | 5.0L / 307 / V8 5.7L / 350 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Nova | 1971 | 5.0L / 307 / V8 5.7L / 350 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Nova | 1972 | 5.0L / 307 / V8 5.7L / 350 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Nova | 1973 | 5.0L / 307 / V8 5.7L / 350 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Nova | 1974 | 5.7L / 350 / V8 | Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Nova | 1975 | 4.3L / 262 / V8 5.7L / 350 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Nova | 1976 | 5.0L / 305 / V8 5.7L / 350 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Nova | 1977 | 5.0L / 305 / V8 5.7L / 350 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Nova | 1978 | 5.0L / 305 / V8 5.7L / 350 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Chevrolet | Nova | 1979 | 5.0L / 305 / V8 5.7L / 350 / V8 |
Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver |
| Application | Chevrolet Small Block |
| Color | Silver |
| Emission Code | 5 |
| Free Flow GPH | 170 |
| Free Flow LPH | 644 |
| Fuel Type | Gasoline |
| Fully Open | 644 |
| Inlet Size | 8AN O-Ring - .75 -16 SAE |
| Material | Aluminum |
| Outlet Size | 8AN O-Ring - 0.750 in. - 16 SAE |
| Part Type | Mechanical Fuel Pump |
| WARNING CA Proposition 65 | WARNING: Cancer and Reproductive Harm |
