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Moroso Carburetor Spacer
*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
Part #64996 1" Thickness. Fits Holley® 4150/4160 bolt pattern 4-hole plenum design with 1.750" dia. Bores Part #65011 2" Thickness. Fits Holley® 4150/4160 bolt pattern 4-hole plenum design with 1.750" dia. Bores
Price: $51.34
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