Gktech Z32/GTR Alloy Rear Knuckle Spherical Strut Bush Upgrade Bulbs ARP Head Studs are a

ARP Head Studs are a very inexpensive part that couldn't be more important to your engine build

LIBERTY 1994-1999 - BD

0T-GDI 2014-2019

Ultra-refined

Gktech Z32/GTR Alloy Rear Knuckle Spherical Strut Bush Upgrade Bulbs ARP Head Studs are aWant to reduce bush deflection and change out your tired OEM rear knuckle bushes? We have the solution. We have made replacements, however, they are a spherical bushing rather then a polyurethane or rubber bushing to significantly reduce bush deflection and ensure a much smoother operation throughout the range of suspension travel. As with all of the bearings that we use throughout our suspension arms, these spherical inserts use common sized bearings