ARP 4.390 Tapered Ring Compressor BR10045 Disc Brake

Disc Brake

Unique filter-to-housing interface for easy installation (US PAT 9440175)

15 Gallon Brushless Spur Pro+ Fuel Cell

BMW 3 Series 2014-18

Keith Black

ARP 4.390 Tapered Ring Compressor BR10045 Disc BrakeARP'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