SELECTIONS: Products : Street Performance : Holley 4BBL : 4776 - 4150 (600CFM)
Mechanical Secondary 4BBL
Part Number:
44776S3
Product Name:
Holley 4BBL Mechanical Secondary 600CFM
Description:
SMI - STAGE THREE - 4776 (600 CFM) 4150 HOLLEY FOUR BARREL:
Our Price: $645.00
Features
- Same as Stage 2 plus:
- Venturi size is increased to provided proper maximum airflow capacity to exactly match the needs of your engine to produce maximum possible torque and horsepower. All casting flaws are removed and venturis are finely polished to eliminate power-robbing tu
- Throttle shaft thinned to reduce area and increase peak airflow capacity, stainless button head screws used to secure throttle blades
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