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Ships within 48 hours · Estimated delivery Oct 8 - Oct 13
Many Bell helmet models use small ventilation holes as part of the helmet’s ventilation system
1/4 in NPT Female to 1/4 in NPT Male
The different sizes available are intended for a class of cars traveling at certain speeds
Impact Helmets
Billet Aluminum Body
ARP S/S 12pt. Nut - 7/16-20 - (10 Pack) 935171 Many Bell helmet models useARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Nut 5 16 18 in Thread 3 8
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