Allstar Performance Low Friction B/J Lower Press-In K6145 +1in | ALL56048 1967-gmc-g15-g1500-van-esi8239554 What is the purpose of

What is the purpose of the restrictors

2011-2014 Subaru Impreza WRX STI Limited 2010 Subaru Impreza WRX STI Special Edition 2006-2007 Subaru Impreza WRX TR 2005-2006 Subaru Legacy GT 2005

Part number ALL931175

Durable Roto-Molded Polyethylene housing and intake tube

Allstar Performance Low Friction B/J Lower Press-In K6145 +1in | ALL56048 1967-gmc-g15-g1500-van-esi8239554 What is the purpose ofLow friction economical OEM style ball joints are high performance units designed for smooth suspension travel. Ball joints have hardened pins with stock type housings and are not rebuildable; legal for classes that require non take apart ball joints. This is the K6145 reference Press In lower ball joint with a 1 in longer than stock pin for roll center correction, 2 in per ft taper. For off road use only. Spec Sheet: Allstar Low Friction Ball Joint