GKTECH S14/S15/R33/R34 OEM REAR LCA SPHERICAL BEARING UPGRADE (SET OF 4) (Order in)NOTE: This item is specially ordered from GKTECH Australia and usually takes around 3 4 weeks to arrive. Listing is for: 1x Set of 4 bushes Want to reduce bush deflection and change out your tired OEM rear LCA bushes? Well, we have made replacements, however, they are a spherical bushing rather then a polyurethane or rubber bushing to significanty reduce bush deflection and ensure a much smoother operation throughout the range of suspension travel.