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4500 Series
- Hi-Flow Carburetor Spacer
- 4 Hole
- Thickness: 1/2"
- 4500 Series
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
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- Spacers isolate carburetor from manifold, preventing horsepower-robbing heat transfer while also increasing air flow due to the increase in distance from the bottom of the carburetor to the manifold plenum. Spacers are precision CNC-machined in the U.S. from a state-of-the-art polymer compound and can withstand temperatures up to 400°F. Available in open or four hole versions for popular 4150 and 4500 Holley style carburetors in 1/2", 1" and 2" thicknesses. Four hole spacers are additionally offered with specially contoured holes which helps increase air velocity under the carburetor.
Part TypeCarburetor Spacer
Product LineAllstar Performance Hi-Flow Carburetor Spacers
BrandALLSTAR PERFORMANCE
Package Height0.65
Package Width8.05
Package Length10.95
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberALL25993
Package Qty1
Package TypeEA
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