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#427371543
Holley 37-1543 2300 2 Barrel Carburetor Rebuild Fast Kit
- Kit is ideal for a quick refresher of your two barrel Holley carb
- Each kit includes step-by-step instructions and a detailed tuning guide
- Includes a 30cc and 50cc accelerator pump and a 6.5 power valve
$41.49
/each
In Stock
$46.10
Save $4.61
Quantity
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Product Summary
Universal Fit, Gasket(s) Included, Gasoline Fuel Type
- Kit is ideal for a quick refresher of your two barrel Holley carb
- Each kit includes step-by-step instructions and a detailed tuning guide
- Includes a 30cc and 50cc accelerator pump and a 6.5 power valve
- Gaskets are made from premium materials
- Designed for gasoline carburetors
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855.313.9176Quick and Easy Returns
Return PolicyHolley 37-1543 Details
Holley 37-1543 Details
These kits are ideal for a quick refresher of your two barrel Holley carb. Each kit includes step-by-step instructions and a detailed tuning guide.
Kit includes one 30cc and one 50cc accelerator pump (black material for gas) and one 6.5 power valve.
Charts
427-371543 Instructions (PDF)
Rebates
Holley Fuel Up Spring Savings Event 2026
Save 10% instantly on select products across the Holley family of performance brands during the annual Holley Fuel Up Spring Savings Event 2026. Instant rebate period has been extended and now runs from March 30, 2026 through April 19, 2026.
Guides & Documents
Holley 37-1543 Specifications
Holley 37-1543 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 37-1543 |
| Brand | Holley |
| Fuel Type | Gasoline |
| GENERAL | |
| Gasket(s) Included | Yes |
| Material Type | Gasket Material |
| Sold in Quantity | Each |
| Notes | Includes a 30cc and 50cc accelerator pump and a 6.5 power valve |
| GTIN Code | 090127437117 |
Ratings & Reviews
4.8
11 Reviews
Customers have consistently praised our product's quality and practicality, particularly in terms of its perfect fit and ease of use. High material quality is noted with the kit having everything needed to rebuild 4412, making it ideal for complex tasks like rebuilding carburetors on a six-pack Mopar. The kit is appreciated for the inclusion of current gaskets that have not shrunk, indicating excellent usability. Compared to competitors, customers acknowledge our product’s superior effectiveness and timeliness, with Speedway often being a reliable source for hard-to-get carb parts.
Ratings & Reviews
4.8
11 Reviews
Customers have consistently praised our product's quality and practicality, particularly in terms of its perfect fit and ease of use. High material quality is noted with the kit having everything needed to rebuild 4412, making it ideal for complex tasks like rebuilding carburetors on a six-pack Mopar. The kit is appreciated for the inclusion of current gaskets that have not shrunk, indicating excellent usability. Compared to competitors, customers acknowledge our product’s superior effectiveness and timeliness, with Speedway often being a reliable source for hard-to-get carb parts.
4.8
11 reviews
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Most Liked Positive Review
5.0
right part great service
Speedway comes through again. Carb parts are getting harder to get quickly and Speedway has them and FAST! service. Thanks again.
Most Liked Negative Review
3.0
kit fit
is a good kit
Filter by Ratings
I'll buy this kit again
5.0
20 days ago
VRR
PALERMO, CA
Verified
This two stroke Holley rebuild kit does the job. It's gor everything I need and is reasonably priced.
Would Recommend
Would buy again.
5.0
8 months ago
Wi96
Wisconsin
Verified
Work as it should and had everything i needed.
Would Recommend
Holley kit
5.0
4 years ago
Lt
Ny
Verified
Has everything needed to rebuild 4412
kit fit
3.0
4 years ago
Dace
Sidney Nebraska
Verified
is a good kit
Will be buying more
5.0
6 years ago
Chappy
Buffalo new York
Verified
Easy to use
Good product
5.0
6 years ago
Krayten Williams
Ashland ne
Verified
It worked as it should
Would Recommend
Perfect
5.0
6 years ago
Darren
Surprise, Az
Verified
Perfect
Carb kits!
5.0
7 years ago
Tony
Lancaster NY
Verified
Had to rebuild a set of carbs for a six pack Mopar!
Would Recommend
I return in these store 100%
5.0
7 years ago
Marilia Oluve
Ventura, florida
Verified
Best attention
Would Recommend
right part great service
5.0
11 years ago
Bryan50
Lee's Summit MO
Verified
Speedway comes through again. Carb parts are getting harder to get quickly and Speedway has them and FAST! service. Thanks again.
Would Recommend
Showing 10 of 11 reviews