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Moroso 1" Billet Carburetor Spacer - Fits Holley® 4500 Series Open Plenum Design

Carburetor Spacer, 1 in Thick, Open, Dominator Flange, Billet Aluminum, Each
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Availability: Same Day Shipping!
Shipping: Ships from Michigan.
Was: $77.74
Sale: $68.87
Save: 11%
Save: $8.87


  • 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(R) 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

    Pit Stop USA offers Moroso 1" Billet Carburetor Spacer - Fits Holley(R) 4500 Series Open Plenum Design 64951 at low everyday prices. Be sure to check out all of our products from Moroso Performance Products including Moroso Performance Products Carburetor Adapters.
  • Details

    • MOR64951
    • MOR64951
    • 0084663649516
    • Moroso Performance Products
    • Temporarily Not Available
    • Same Day Shipping!
    • New

    Shipping Information

    • Item Requires Shipping
    • 1.5 lbs.
    • W8.5500” x H1.0000” x L14.1500”
    • Ships from Michigan.

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