ARP Starter Bolt Kit SS 6-Point GM 10mm x 1.775/4.770 H760C39XXL Zamp NC-40 SFI Neck Collar

Zamp NC-40 SFI Neck Collar is available in adult and youth sizes

Swivel Reducer Fitting 8AN Female to 4AN Male

Aluminum Angle Stock

1-1/2 in ID

ARP Starter Bolt Kit SS 6-Point GM 10mm x 1.775/4.770 H760C39XXL Zamp NC-40 SFI Neck CollarARP Starter Bolts feature smaller diameter heads to make accessibility more convenient. Rated at 170, 000 psi stronger than OEM and are specially suited for cars that use rear motor plates. Washers are included. ARPs 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