The E46 chassis has been known to develop cracks at the subframe attachement points with age. If you are drifting or tracking your car, it is highly recommended you perform weld in steel reinforcements and new subframe bushings. This kit is the perfect combo for you, and you'll save $40! Choose one of three bushing durometers, and this combo kit features CAD designed, laser cut 14 gauge steel subframe reinforcements. Simply weld them in place, and paint to protect against any corrosion. Revshift polyurethane rear subframe bushings completely replace the oem rubber bushings on the E46 (323, 325, 328, 330, M3, Z4). These bushings stiffen the subframe mounting points improving the vehicles handling capabilities. Improves handing Will not wear out like oem bushings Properly dampens the rear subframe Revshift bushing lube included Lifetime warranty Formula Drift Spec Subframe to chassis clearance is specified for the E46 in the Formula D rule book. We designed these bushings to comply with the FD specs. They will pass tech in all FD sanctioned drift series. Please specify the hardnessThis combo kit includes:1x left rear chassis reinforcement1x right rear chassis reinforcement2x forward rear chassis reinforcements2x subframe cross member spacers2x trunk patch plates2x 12mm crossmember spacer installation bolts2x front side polyurethane subframe bushings2x rear side polyurethane subframe bushings1x Revshift bushing lube packet*Requires welding. Professional installation strongly recommended. Comes with Teflon lubricate. Will not squeak like other cheaper poly bushings. Hardness:80A black: Slightly stiffer and stronger than OEM rubber. No additional NVH. Great choice as an upgraded stock replacement (OEM+).95A green: Significantly stiffer and stronger than OEM rubber. Minor increase in NVH. Excellent for enthusiastically driven street cars and track cars.70D TEAL: Drastically stiffer and stronger than OEM rubber. Moderate increase in NVH. Most commonly used on dedicated track cars.(NVH = noise, vibration, harmonics)
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