PIRATE MFG SP9138 Square Phenolic Carburetor Spacer Holley

Sp9138 Pirate Mfg 1/2 Inch Open Square Phenolic Carburetor Spacer Holley Style

( Brand: Pirate Mfg ), ( Part Type: Carburetor Spacer ), ( Surface Finish: Phenolic Plastic ), ( Manufacturer Part Number: SP9138 ), ( Manufacturer Warranty: Yes ), ( Fitment Type: Performance/custom )

Review PIRATE MFG 1/2 Inch Open Square Phenolic Carburetor Spacer Holley Style

Introducing the Pirate Manufacturing SP9138 1/2 Square Phenolic Carburetor Spacer from Holley. This essential automotive part is a must-have for any carburetor enthusiast or restoration project.

The SP9138 is a high-quality phenolic carburetor spacer specifically designed for use with Holley carburetors. Its 1/2 square shape allows for versatile installation, fitting perfectly between various carburetor models and components. The spacer is made from phenolic material, which is known for its exceptional strength, durability, and resistance to heat and chemicals.

Measuring approximately 1.375 inches (L) x 1.375 inches (W) x 0.188 inches (H), this compact yet robust spacer is designed to provide additional clearance or adjustment space between various components of your Holley carburetor system. This extra space can be crucial in ensuring proper fuel flow, maintaining optimal engine performance, and accommodating various custom modifications.

Installation of the Pirate Manufacturing SP9138 is straightforward and can typically be completed in a few minutes using common hand tools. The spacer's flat, square edges ensure a precise fit, while its phenolic material guarantees a secure connection once installed.

The SP9138 is not only a functional improvement for your Holley carburetor but also a cosmetic enhancement. Its classic phenolic material finish adds a touch of authenticity and charm to your carburetor setup, making it an excellent choice for both performance and appearance upgrades.

In conclusion, the Pirate Manufacturing SP9138 1/2 Square Phenolic Carburetor Spacer is an indispensable tool for any Holley carburetor user. Its robustness, versatility, and ease of installation make it a worthwhile investment for anyone seeking to optimize their carburetor performance, accommodate custom modifications, or simply enhance the visual appeal of their engine setup.

Pros and Cons of Buying a PIRATE MFG SP9138 1/2 Square Phenolic Carburetor Spacer from Holley

Introduction:

The PIRATE MFG SP9138 1/2 Square Phenolic Carburetor Spacer is a popular aftermarket part for Holley carburetors. This spacer is designed to provide additional clearance between the carburetor and intake manifold, allowing for the installation of performance components. In this analysis, we will discuss the potential benefits and drawbacks of purchasing this product.

Pros:

1. Enhanced Performance: The primary reason for purchasing this spacer is the potential for increased engine performance. By providing more clearance between the carburetor and intake manifold, it allows for the installation of high-performance intake manifolds and other components.

2. Improved Engine Compatibility: This spacer is compatible with various Holley carburetors, making it a versatile option for those looking to upgrade their engine systems.

3. Durable Construction: The phenolic material used in the manufacturing of this spacer is known for its strength and resistance to heat. This durability ensures that the spacer can withstand the demands of high-performance engines.

Cons:

1. Cost: The PIRATE MFG SP9138 1/2 Square Phenolic Carburetor Spacer may be more expensive than some other aftermarket spacers. This could be a drawback for those on a tight budget.

2. Installation Complexity: Installing this spacer requires some level of mechanical skills and knowledge. Those without experience in carburetor installation or engine tuning may find the process challenging.

3. Potential for Leaks: The installation of this spacer may increase the likelihood of fuel leaks if not properly sealed. Proper sealing techniques and the use of high-quality gaskets are essential to prevent leaks.

Conclusion:

The PIRATE MFG SP9138 1/2 Square Phenolic Carburetor Spacer offers several advantages for those looking to enhance their Holley carburetor system's performance. Its durable construction, compatibility with various Holley carburetors, and potential for increased engine performance make it an attractive option. However, its cost and installation complexity could be potential drawbacks for some buyers. Ultimately, whether this spacer is a worthwhile investment depends on an individual's specific needs, budget, and mechanical abilities.

Recommendation:

For those seeking improved engine performance and compatibility with their Holley carburetor, the PIRATE MFG SP9138 1/2 Square Phenolic Carburetor Spacer can be a valuable investment. However, potential buyers should carefully consider their budget, mechanical abilities, and the potential challenges associated with installation before making a purchase. Additionally, ensuring proper sealing techniques and the use of high-quality gaskets will help minimize the risk of fuel leaks.

part # sp9138 price

$20.95

specifications carbcaddie:

brand: Pirate Mfg
part type: Carburetor Spacer
surface finish: Phenolic Plastic
manufacturer part number: SP9138
manufacturer warranty: Yes
fitment type: Performance/custom

general carbcaddie:

condition: New
Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts

shipping carbcaddie:

cost: $0.00
service: USPS Ground Advantage, USPS Priority Mail Padded Flat Rate Envelope, FedEx Ground / FedEx Home Delivery, FedEx 2Day
type: Calculated
transit: 5-11 Days
class: Standard, Expedited
carrier: USPS, FedEx

payments carbcaddie:

credit card: Discover
other
wallet: Apple-pay

returns carbcaddie:

policy: Returns Accepted
time: 30 Days
paid by: Seller

offer carbcaddie:

quantity: 5
availability: In Stock
options: Ship-to-home
started: August 29, 2025
sold: 0

seller carbcaddie:

# reviews: 62301
rating: 99.5%

part type: carburetor spacer, surface finish: phenolic plastic, manufacturer warranty: yes, fitment type: performance/custom,

category: auto parts > car truck parts accessories > air fuel delivery > carburetor parts, sku: 6441116728692632,