Part Number: MOR-64996
Moroso 1in Thickness Carburetor Spacer for Holley 4150/4160 bolt pattern with 4-hole plenum design and with 1.750in dia bores
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Y $59.85
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  • Extends length of intake mixture column to improve air/fuel distribution
  • CNC machined from 6061-T6 billet aluminum to extremely accurate specifications
  • Billet aluminum eliminates porosity and improves engine appearance
  • Available with 4150/4160 and 4500 Series Holley? bolt patterns to fit a variety of carburetors
  • 4150/4160 Series Spacers available in 1/2", 1" and 2" thicknesses with open plenum and 4-hole designs to suit tuning requirements; 4500 Series (Dominator) Spacer is 1" thick with open plenum
  • As a general rule, open designs increase plenum volume for improved high rpm power, while 4-hole designs increase mixture velocity for improved low-speed and mid-range torque
  • Not legal for sale or use on pollution-controlled vehicles
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