1. Front Rear Lower Shock Bearings Bushings for Arctic Cat 250/ 300 /375/ 400/ 454 /500 /650 2. The shock absorbing bush is a small rubber sheet placed between the shock absorber and the frame. It should also be replaced when the ATV is regularly maintained. Regular and timely replacement of the shock absorbing bushes helps to keep the ATV running smoothly and also saves you the cost of having to replace the shock absorbers. 3. Kit Include 16 bushings 8 needle bearing shafts. 4. Equivalent to: 21-0001. Made from high-quality materials, this product is durable. Easy to install, just replace the old or broken shock-absorbing bushings. 5. Service – We offer lower front shock bearing bushings absorber kit 12 month service, any questions about shock bearing bushings, please contact us by email, we will reply you within 24 hours.You will get 16 bushings 8 needle bearing shafts. Size:8 Sets Lower Shock Bearing Bushings For Arctic Cat Shock Bushings Equivalent to: 21-0001 Fr