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Holley

HOLLEY Carburetor Renew Kit Ultra HP

MPN: 37-1548 Catalog #: 001509588 Category: Carburetor Rebuild Kits Check Vehicle Fitment

Product Details

Carburetor Rebuild Kit - Fast Kit - Holley Ultra HP Carburetors - Kit

Fast Kit Carburetor Rebuild Kit; For Use w/4150 Ultra XP Carburetors; Incl. (2) 4.5 Power Valves/(2) Accelerator Pump Diaphragms/(2) Needle And Seats/All Necessary Gaskets;

Five Holley Fast Kits cover the entire spectrum of Holley performance carburetors. Holley Fast Kits include only genuine Holley parts and are also competitively priced. When your Holley is rebuilt using a genuine Holley Fast Kit, you are assured that original Holley quality is being maintained. Detailed instructions are included. Ideal for a quick refresher of your carburetor.

Fitment: Holley Fast Kits include only genuine Holley parts which are competitively priced. When your Holley is rebuilt using a genuine Holley Fast Kit; you re assured that original Holley quality is maintained.

DETAILS:

Part Number 37-1548 SPECS:

Carburetor Rebuild Kit - Fast Kit - Holley Ultra HP Carburetors - Gas - Kit

DETAILS:

  • 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
  • Carburetor and Installation Kit
  • Fast Kit Carburetor Rebuild Kit
  • Fits Holley 4150 Ultra Xu Carburetors
  • Genuine Holley Quality Parts
  • Step By Step Instructions Included
  • ULTRA HP KIT
  • Carburetor Kit

Part Number 37-1548 SPECS:

  • Carburetor Type: 4150
  • Kit Type: Fast
  • List Number: R80805
  • WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • WARNING CA Proposition 65: Yes

Carburetor Rebuild Kit - Fast Kit - Holley Ultra HP Carburetors - Gas - Kit

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Product Specs

Brand
Holley
Part Number
37-1548
Catalog Number
001509588
Product Line
Carburetor Rebuild Kits
Category
Fuel Delivery
Type
Carburetor Rebuild Kits
UPC / Barcode
090127677353
Length
8.55 in
Width
7.25 in
Height
2.30 in
Weight
0.57 lb
Freight / LTL
No
Ship Alone
No
Air Restricted
No

Shipping & Availability

Current status 4 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

Inventory shown: 4 available as of 6/3/2026.

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