ARP Billet 4.440" Bore Tapered Piston Ring Compressor (900-4400) BMC More Information Vendor Name Code

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ARP Billet 4.440" Bore Tapered Piston Ring Compressor (900-4400) BMC More Information Vendor Name CodeARP Billet 4. 440" Bore Tapered Piston Ring Compressor (900 4400) ARP Tapered Ring Compressors 900 4400 ARP tapered piston ring compressors are CNC machined from 6061 T6 billet aluminum tube material and feature a true radius for each individual bore diameter. They're also relieved to accommodate wire O rings on the bottom. Type 3 anodizing is used for long life, and each bore size is prominently engraved in 3 4 in. high numbers for easy