0-4781SA Manual Choke Mechanical Secondaries-4150
- Vibratory polished aluminum for good looks, weight savings and long lasting shine
- Optimized street/strip calibration that works out-of-the-box
- Manual choke (Cable driven, hand operated) for precise cold start control
- Mechanical secondaries for awesome tire turning performance
- 4 corner idle allows you to precisely control your idle system
- Dual accelerator pumps for additional fuel under initial acceleration
- Dual feed fuel inlets for constant high volume fuel delivery
- Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
|Primary Main Jet||80|
|Primary Power Valve||6.5|
|Primary Pump Nozzle Size||31|
|Product Type||4150 Model Carburetor|
|Secondary Main Jet||80|
|Secondary Pump Nozzle Size||31|
|Throttle Bore||1.688 inch|
|Vacuum Ports||1 timed (spark) port, 1 full, and 1 PCV port|
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