Holley Adjustable Needle and Seat 0.150 Titanium Tip for Holley Carb

Part # 6-521 SKU HLY6-521

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$67.99
In stock, ships from a US warehouse
SKU: HLY6-521
UPC: 090127465738
Width: 4.00 (in)
Height: 5.00 (in)
Depth: 1.00 (in)
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Shipping
Free, US only. Arrives in 2–4 days.
Returns
30-day returns. Wrong fit? Our team is here 24/7. Details
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Highlights

Material
Brass (Titanium Tip)
Orifice diameter
0.15 in
Alcohol compatible
Yes
Adjustable
Yes
O-ring included
Yes (Qty 1)
Gaskets included
Yes (Qty 2)
Type
Needle and Seat Assembly
Body material
Brass
Tip material
Titanium
Finish / color
Natural

Description

Holley Adjustable Needle and Seat 0.150 Titanium Tip for Holley Carb

The Holley Adjustable Needle and Seat 0.150 Titanium Tip is a precision-engineered component designed for high-performance Holley carburetors. This part plays a crucial role in controlling the fuel flow within the carburetor, ensuring optimal performance and efficiency. By allowing an adjustable setting, it enables users to finely tune the fuel mixture to suit various engine demands, which is essential for achieving peak horsepower and torque.

This adjustable needle and seat assembly is constructed with a titanium tip, which provides significant advantages over traditional materials. Titanium is known for its exceptional strength-to-weight ratio and corrosion resistance. This ensures durability and longevity, even in harsh operating conditions that may be encountered during high-speed racing or heavy-duty applications.

Moreover, the 0.150-inch diameter of the needle and seat is specifically designed to provide a precise fuel delivery rate, enhancing the overall performance characteristic of your engine. Proper adjustments can prevent flooding or lean conditions, which are critical in maintaining engine reliability and performance under varying loads.

FITMENT: This adjustable needle and seat assembly is specifically designed to fit Holley carburetors, making it a perfect choice for those looking to upgrade or replace components in their Holley system. Compatibility with various Holley models may vary, so it is essential to verify fitment with your specific carburetor model.

Key Features & Benefits

  • Adjustable fuel flow for fine-tuning performance.
  • Constructed with a durable titanium tip for increased longevity.
  • 0.150-inch diameter for optimal fuel delivery rate.
  • Enhances engine performance by preventing flooding or lean conditions.
  • Designed specifically for Holley carburetors, ensuring perfect compatibility.

Specifications

Identification
BrandHOLLEY
Part number6-521
SKUHLY6-521
UPC090127465738
Dimensions and weight
Dimensions (W × H × D)4.00 × 5.00 × 1.00 in
Material and finish
MaterialBrass (Titanium Tip)
Series and warranty
Details
IncludesNeedle and Seat Assembly, (2) Gaskets, (1) O-Ring
Orifice diameter0.15 in
Alcohol compatibleYes
AdjustableYes
O-ring includedYes (Qty 1)
Gaskets includedYes (Qty 2)
TypeNeedle and Seat Assembly
Body materialBrass
Tip materialTitanium
Finish / colorNatural

Shipping and returns

Shipping. Free on every order, US only. Orders arrive in 2–4 days.

Returns. 30-day returns, except in extreme cases.

Support. Our team is available 24/7 for fitment mismatches or any other reason.

Warranty. Full manufacturer guarantee.

Holley Adjustable Needle and Seat 0.150 Titanium Tip for Holley Carb
Holley Adjustable Needle and Seat 0.150 Titanium Tip for Holley Carb
$67.99
In stock · free shipping

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