AFR Dual Valve Spring - 540 lb/in Spring Rate - 1.155" Coil Bind - 1.550" OD R090003XL hitting the single track with

hitting the single track with your friends on the weekend

1997-1999 Ford Expedition

Click here to learn more about this universal in tank fuel system

and REVALVABLE

AFR Dual Valve Spring - 540 lb/in Spring Rate - 1.155" Coil Bind - 1.550" OD R090003XL hitting the single track withProduct Description: Valve Spring Dual Spring 540 lb in Spring Rate 1. 155 in Coil Bind 1. 550 in OD Sold Individually Advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components. Current product lines include cold air intake systems, high performance direct fit and racing air filters, exhaust systems, intercoolers, turbochargers, electronic programmers, diesel fuel systems,