6-521 Holley Needle & Seat,.150 Titanium
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6-521 Holley Needle & Seat, .150 Titanium
Upgrade your Holley Performance Carburetor with the 6-521 Needle and Seat assembly. This innovative assembly is engineered to enhance your carburetor's performance, ensuring that you get the most out of your engine.
Main Features:
- Bigger Seat Size: With a large 0.150 inch seat, experience increased fuel flow that boosts engine efficiency.
- Titanium Needle: The titanium construction offers enhanced responsiveness and sealing capabilities, ensuring optimal performance under high-pressure conditions.
- Compatibility: Specifically designed to work seamlessly with racing fuels including benzine, acetone, and alcohol.
- Adjustable Design: Tailor the flow to your specific needs for high-performance applications.
- Complete Installation: Comes with all necessary hardware for easy installation and setup.
Elevate your carburetor’s performance with the 6-521 Holley Needle & Seat assembly. This essential upgrade is perfect for racing enthusiasts and anyone looking to optimize fuel flow and compatibility with high-performance racing fuels. Plus, it is backed by a limited 90-day warranty, making it a risk-free addition to your racing setup.
Shipping & Returns
Shipping & Returns
Shipping:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.

