ARP Ring Compressor 4.250″

SKU: AR900-2500

BRAND: ARP fasteners

Tapered Piston Ring Compressor
fits 4.250″ Bore

Arp’s Ring Compressors Are Cnc Machined From 6061-t6 Billet tube Material and feature a True Radius for 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 I n 3/4 High Numbers for Easy Id entification. Standard Stocking Sizes From 4 To 4.65 (sae) and 75mm to 95.5mm (metric). The True Radius Design Is Far Superior to Conventional Tapered Devices, And Widely Acclaimed by Professional Engine Builders! This Is Truly the Very Best Piston Ring Compressor on the Market Today.