Product Summary

Universal Fit, 5.160" x 5.625" Bolt Hole Pattern, Black

  • Fits Holley 4150 and 4160
  • Tapered 4-hole design
  • Plastic construction insulates carb from the hot intake, resulting in a denser fuel/air mixture and more power
  • Gaskets NOT included

Key Specs

MFG. Part #54564930
BrandSpeedway Motors
Material TypePlastic
Carburetor Flange Type4-Barrel Square Bore

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Speedway Motors 54564930 Details

Plastic carburetor spacers reduce the fuel temperature inside the carburetor by insulating the carb from the hot intake manifold. This results in a denser air/fuel mixutre for more power. Four-hole design increases low-end torque compared to open style spacers.

  • Fits 4150 and 4160 series Holley carbs
  • 1.688" venturi bores
  • 4 barrel carburetors
  • Gaskets NOT included

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Speedway Motors 54564930 Specifications

MFG. Part #54564930
BrandSpeedway Motors
Material TypePlastic
Carburetor Flange Type4-Barrel Square Bore
Speedway Motors Catalog Part #545-64930
Bolt Hole Pattern5.160" x 5.625"
Gasket(s) IncludedNo
Hardware IncludedNo
Sold in QuantityEach
Carburetor Spacer Style4-Hole