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Aeroflow's 550 series fittings are the choice of professionals for use in fuel systems
Threadinserts
12-Pointfits BB Chev 1/2-20 Thread x 1
Suit Ford 289-351 Windsor with Edelbrock Victor JR Heads
and increase 91 octane fuel to 116 octane race gas levels allowing full power all the time
ARP fasteners 5-Pack Bolt Kit, 12-Point Head S/S AR713-0500 Engine Tools Aeroflow's 550 series fittings are5 Pack Bolt Kit, 12 Point Head S S3 8" UNF x . 500" UHL With 3 8" Socket Head Brand: ARP Part Number: AR713 0500 Description: Now you can use premium quality ARP stainless steel or chrome moly fasteners to install most anything on a car, boat or trailer. ARP's specially alloyed stainless steel bolts and heat treated 8740 chrome moly bolts with black oxide finish are nominally rated at 180,000 psi tensile strength to provide a substantial extra margin