ARP 4.560 Tapered Ring Compressor 4304804-01-04 Zamp NC-40 SFI Neck Collar

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

33 in Length

A urethane plug is also included if you wish to block off the auxiliary air inlet

CD-5L Carbon

Load Controller II On-Board Air Compressor Control System

ARP 4.560 Tapered Ring Compressor 4304804-01-04 Zamp NC-40 SFI Neck CollarARP's ring compressors are CNC machined from 6061 T6 billet tube material and feature a true radius for each different bore diameter. What's more, they are relieved for wire O rings on bottom. Type 3 anodizing is used for long life, and the bore size is prominently engraved in 3 4 in high numbers for easy identification. Standard stocking sizes from 3. 552 in to 4. 750 in (SAE) and 75mm to 95. 5mm (metric). The true radius design is far superior to