ARP Billet 4.300" Bore Tapered Piston Ring Compressor (900-3000) Electrical / Fuses 7mm Single groove valve keeper

7mm Single groove valve keeper - Hardened

12-Point NutSuit GM LS Series Except LS7

Part Number: AR714-3750

Stealth Ride Part Number: R75-GNH7500

1975 HONDA CB550K 550 - All

ARP Billet 4.300" Bore Tapered Piston Ring Compressor (900-3000) Electrical / Fuses 7mm Single groove valve keeperARP Billet 4. 300" Bore Tapered Piston Ring Compressor (900 3000) ARP Tapered Ring Compressors 900 3000 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