Holley 4BBL Vacuum Secondary 600CFM
SMI - STAGE ONE - 1850 (600 CFM) 4160 HOLLEY SINGLE FEED FOUR BARREL:
Our Price: $649.00
- Vacuum Secondary operation modified to provide more response to secondary spring changes.
- All body surfaces machined for maximum gasket sealing, ensuring consistency and reliability
- Assembled with reusable gaskets for ease in tuning and service
- Machine body surfaces for maximum gasket seal
- Metering blocks are hand selected and all circuits and passages are checked for casting flaws and obstructions, as well as proper sizing
- Nitrophyl solid composite float that can't crack or sink.
- Position boosters precisely in center of venturi for best flow and equal signal
- Select only the highest flowing castings
- 1 YR warranty all parts and labor
- Strip to bare metal, inspect for defects, then apply dichromate coating for brilliant gold finish.