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Holley Carburetor Spacer 108-37

Holley Carburetor Spacer 108-37
$81.99 ea
NEWARRIVING SOONEstimated Ship Date 04/10/2023 (If Ordered Today)13 available from HOLLEY PERFORMANCE PRODUCTS as of 03/24/2023
Model: 3991093
Supplier has not provided any fitment data for this product.
[More Info]
7-degree or 12-degree wedge with square bore flange allows carburetor to sit level on tilted engine installations.
  • Fits Holley Model 4165™ Model 4175™ and Quadra-Jet
  • Phenolic
  • Includes Carb Studs
  • 1 3/8 in. Primary
  • 2 3/8 in. Secondary
  • 11/16 in. Thick
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations

About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!


Download Name File Size


Carburetor Type 4165/4175
Emission Code 5
Material Fiber
Model 4165/4175
Part Type Carburetor Spacer


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Holley Carburetor Spacer 108-37:
Classic Nova 2023