NPR American V8 Engine Ring Series Piston Ring Set - 4.145 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 34001-21051-WL Direct Replacement Part RG20001M End Link Bushings Included Size:Youth 3 QRP65-2001

Direct Replacement Part

CNC-machined billet aluminum spacers complete the assembly

Spring has superior durability and replaces the stock spring in Ford 9" rear ends with Detroit Lockers

This also allows the lubricating oil from the engine to circulate properly so the turbine won\'t burn the lubricating oil that would otherwise be trapped within the charger with the turbine rotating at high speed

*Will not clear some factory-style Shaker Hood Scoops

NPR American V8 Engine Ring Series Piston Ring Set 4.145 in Bore 1.2 x 1.2 x 3.0 mm Thick Standard Tension Nitride 8 Cylinder 34001 21051 WL Direct Replacement Part RG20001M End Link Bushings Included Size:Youth 3 QRP65 2001 Direct Replacement Part CNC machined billet aluminum spacers complete the assembly