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Vehicle Info NeededALLSTAR PERFORMANCEPART NUMBER: 049-ALL26060
Adjustable Carb Base Plate 4-Hole 4150/4160 Series Holley Carbs
$7599
Ships on Sep 04, 2026
Lowest Price Guarantee
Adjustable Carb Base Plates
- Adjustable Carb Base Plate
- 4-Hole 4150/4160 Series Holley Carbs
- 1" Thick
- The Allstar adjustable base plate, also known as a "Governor" is a four-hole aluminum spacer with tapered inserts which may be quickly changed after removing the carburetor. This special design restricts air/fuel entry and reduces power slightly to prevent wheel spin. Inserts are available separately ranging in sizes from 1.000" to 1.400" for custom tailoring and quicker lap times. This Allstar adjustable base plate fits all Holley 4 bbl. 4150/4160 series carburetors.
Part TypeCarburetor Base Plate
Product LineAllstar Adjustable Base Plates
BrandALLSTAR PERFORMANCE
Package Height1.2
Package Width8.0
Package Length10.9
Weight1.83 PG
Part CategoryPerformance Parts
Thickness1 in (25.4 mm)
Gaskets IncludedNo
Carburetor Spacer FinishNatural
Carburetor Spacer Style4-hole
QuantitySold individually
Mounting Hardware IncludedNo
Part FitmentSemi Universal
Carburetor Spacer MaterialAluminum
Vendor Part NumberALL26060
Package Qty1
Package TypeEA
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