Holley 6-521: 6-521 Needle and Seat Seat size .150"
https://eltopospeedshop.com/shop/hly-6-521-holley-6-521-6-521-needle-and-seat-seat-size-150-18063
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Titanium-High Flow Needle and Seat
Needle and Seat Seat size .150" Adjustable Titanium
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days
