Solid Subframe Locking CollarsBy adding these locking collars you can reduce rear subframe movement quickly and easily. Stock subframe bushes are very commonly worn causing poor handling these collars help prevent any movement.Locking collars are a great choice for a mix of road/track because they offer a good compromise between installation complexity and performance. They are fitted easily without removing the subframe and significantly help reduce unwanted movement.Manufactured by DriftShop they are compatible with Nissan 200SX S13 S14 S15 et Skyline R32 GTS R33 GTS.For a complete overhaul or competition use we recommend the use of either polyurethane or solid subframe bushes - both available in the shop..