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1994 BMW 740I 4
Part KNRX-4040-1 Product Specifications
MicrometerFrom 4" - 5"/
Steel rotors provide a durable lightweight option in applications where sustained temperatures remain in the low to moderate range
ARP Billet 4.165" Bore Tapered Piston Ring Compressor (900-1650) Roll Over Valve 1994 BMW 740I 4ARP Billet 4. 165" Bore Tapered Piston Ring Compressor (900 1650) ARP Tapered Ring Compressors 900 1650 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