ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 7/16"-20 Thread SC04101 1984-1996 Ford E-250 Econoline

1984-1996 Ford E-250 Econoline

2008-2008 Buick LaCrosse

axle retainer

10 AN Female O-Ring Inlet

Use a dark shield during the day and raise it to ride home at night without sacrificing protection

ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 7/16"-20 Thread SC04101 1984-1996 Ford E-250 EconolineA rocker arm adjuster that doesn't require special tools and won't work loose. Threads on the heat treated Perma Loc Adjusters are machined exactly perpendicular to the adjuster bottom. a set screw is also machined flush on the bottom. All of these features help eliminate setting valve lash on a regular basis. ARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline.