Holley 4BBL Vacuum Secondary 750CFM
SMI - STAGE ONE - 3310 (750 CFM) 4160 HOLLEY FOUR BARREL:
Our Price: $749.00
- Vacuum Secondary operation modified to provide more response to secondary spring changes.
- 1 YR warranty all parts and labor
- All body surfaces machined for maximum gasket sealing, ensuring consistency and reliability
- All components are then vibratory tumble polished and dichromate coated for a brilliant high gloss gold finish
- 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