ARP 86.00 mm Bore Tapered Piston Ring Compressor - Billet Aluminum - Black Anodized 99161 2-1/2 in Inlet / Outlet

2-1/2 in Inlet / Outlet

Designed primarily for racing to prevent sump oil from reaching crankshaft during hard acceleration

Small Block Chevy / GM V6 / LS-Series

twin-tube design that includes every quality component that our global OEM products include and it is the preferred choice by professional technicians

438 in OD x 5 in Long

ARP 86.00 mm Bore Tapered Piston Ring Compressor - Billet Aluminum - Black Anodized 99161 2-1/2 in Inlet / OutletProduct Description: Piston Ring Compressor 86. 00 mm Bore Tapered Billet Aluminum Black Anodized Sold Individually Since 1968, ARP is the fastener of champions and the world leader in fastener technology.