{"title":"Shock Bump Rubbers","description":"\u003cp\u003eShock Bump Rubbers can help your race car handle better by keeping the car from bottoming out and by loading the left rear with more weight.\u003c\/p\u003e","products":[{"product_id":"ars-bump-rubber-assembly","title":"ARS Bump Rubber Assembly","description":"Hyper Racing # 38-001\u003cbr\u003eARS Bump Rubber is used on the shaft of the left rear shock to virtually eliminate bottoming out the left rear, which kills traction. Allows running a softer left rear bar for better forward bite. By adding 1\/8\" spacers you can adjust when the car hits the bump rubber. The chassis then can travel the maximum amount before bottoming out.\u003cp\u003e\u003ciframe width=\"420\" height=\"315\" src=\"\/\/www.youtube.com\/embed\/p0jGQB2OZy4\" frameborder=\"0\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Advanced Racing Suspension","offers":[{"title":"Default Title","offer_id":51393432584423,"sku":"38-001","price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/38-001_01.jpg?v=1758303550"},{"product_id":"ars-bump-rubber-red","title":"ARS Bump Rubber, Red","description":"Hyper Racing # 38-006\u003cbr\u003e\u003cp\u003eThis item number is for the red ARS Bump Rubber only. For the complete Bump Rubber Assembly, order part number 38-006.\u003cbr\u003e\u003cbr\u003e5\/8\" Internal diameter hole.\u003c\/p\u003e\u003cp\u003eA bump rubber is used to keep the car from bottoming out and to add spring rate and therefore dynamic corner weight when the chassis travels far enough to get into the bump rubber. Generally bump rubbers are used on the left rear shock.\u003cbr\u003eIt is used on winged racing in some situations to keep the car from bottoming out on the left rear on entry which will kill traction. However, because it also adds a progressive spring rate on the left rear can also loosen the car because it unloads the right rear on entry. See the Rethink Dirt paper in the Tech Department of the website for a more clear understanding.\u003cbr\u003eA bump rubber can also be used on the left rear of a wingless car to add traction on corner exit. As the car squats on the left rear under acceleration, if set correctly, it will compress the bump rubber and add a\u003c\/p\u003e","brand":"Advanced Racing Suspension","offers":[{"title":"Default Title","offer_id":51393432617191,"sku":"38-006","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/38-006_01.jpg?v=1758303552"},{"product_id":"1-8-bump-rubber-spacer","title":"1\/8\" Bump Rubber Spacer","description":"Hyper Racing # 38-012\u003cbr\u003ePlastic spacer used on the bump rubber assembly.","brand":"Advanced Racing Suspension","offers":[{"title":"Default Title","offer_id":51393432682727,"sku":"38-012","price":6.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/38-012_01.jpg?v=1758303553"},{"product_id":"csi-progressive-bump-kit-full","title":"CSI Progressive Bump Kit, Full","description":"Hyper Racing # 388-390\u003cbr\u003eThe 26 piece kit comes complete with everything you need. Detailed instruction sheet included. ","brand":"CSI","offers":[{"title":"Default Title","offer_id":51393441333479,"sku":"388-390","price":239.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/388-390_01.jpg?v=1758303703"},{"product_id":"csi-pressure-disc-kit-10-pack","title":"CSI Pressure Disc Kit 10 Pack","description":"Hyper Racing # 388-391\u003cbr\u003eCSI's Pressure Discs are a great way to determine how hard the car is getting into the bump rubber. The decal changes color when pressure is applied, you then compare that color to the provided chart to determine how much load was generated. The kit comes complete with instructions. They are one time use and 10 come in a kit. ","brand":"CSI","offers":[{"title":"Default Title","offer_id":51393441366247,"sku":"388-391","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/388-391_01.jpg?v=1758303703"},{"product_id":"csi-bump-rubber-cup","title":"CSI Bump Rubber Cup","description":"Hyper Racing # 388-454\u003cbr\u003eThe purpose of a bump rubber cup is to keep the bump rubber from expanding and deforming. When the bump rubber cannot expand, its effective spring rate is progressively increased. Use this bump rubber cup on the left rear for wingless racing to tighten the car on exit. Proper timing is important. Lightweight CSI Bump Rubber Cup clips directly onto the eyelet of CSI RS-series small body shocks.","brand":"CSI","offers":[{"title":"Default Title","offer_id":51393441956071,"sku":"388-454","price":54.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/388-454_01.jpg?v=1758303714"},{"product_id":"csi-spring-perch-bump-rubber-cup-clip","title":"CSI Spring Perch \/ Bump Rubber Cup Clip","description":"Hyper Racing # 388-455\u003cbr\u003e","brand":"CSI","offers":[{"title":"Default Title","offer_id":51393441988839,"sku":"388-455","price":12.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/388-455_01.jpg?v=1758303715"},{"product_id":"csi-soft-bump-rubber","title":"CSI Soft Bump Rubber","description":"Hyper Racing # 388-456\u003cbr\u003e\u003cp\u003eCSI’s Soft Foam Bump Rubber is 35 durometer and is tall enough to cut for any application. 5\/8\" Internal diameter hole.\u003c\/p\u003e","brand":"CSI","offers":[{"title":"Default Title","offer_id":51393442021607,"sku":"388-456","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/388-456_01.jpg?v=1758303715"},{"product_id":"csi-packer-kit","title":"CSI Packer Kit","description":"Hyper Racing # 388-4561\u003cbr\u003e6-piece Packer Kit allows you to adjust your bump rubber gap quickly and easily.","brand":"CSI","offers":[{"title":"Default Title","offer_id":51393442054375,"sku":"388-4561","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/388-4561_01.jpg?v=1758303717"},{"product_id":"csi-bump-rubber-cover-x2","title":"CSI Bump Rubber Cover (x2)","description":"Hyper Racing # 388-457\u003cbr\u003e","brand":"CSI","offers":[{"title":"Default Title","offer_id":51393442087143,"sku":"388-457","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/388-457_01.jpg?v=1758303717"},{"product_id":"fk-bump-cup-2-125-id","title":"FK Bump Cup 2.125\" ID","description":"Hyper Racing # 389-425\u003cbr\u003e\u003cimg src=\"Images\/Product_Images\/1HM.png\" alt=\"Gold H-Mark Logo\"\u003e\u003cbr\u003e\u003cbr\u003eRequires Snap Ring 389-510.\u003cbr\u003e\u003cbr\u003eThe purpose of a bump rubber cup is to keep the bump rubber from expanding and deforming. When the bump rubber cannot expand, its effective spring rate is progressively increased. Use this bump rubber cup on the left rear for wingless racing to tighten the car on exit. Proper timing is important.\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong style=\"background-color: rgb(255, 255, 255);\"\u003eHYPER RACING’S GOLD STANDARD:\u003c\/strong\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e Components marked with the gold H-Mark logo are part of Hyper Racing’s Gold Standard lineup, recommended for X4–X7 600cc Micro Sprint Chassis. Each one is tested and proven to deliver the highest level of performance, giving you confidence that you’re running parts built to meet our standard.\u003c\/span\u003e\u003c\/p\u003e","brand":"Factory Kahne Shocks","offers":[{"title":"Default Title","offer_id":51393446183143,"sku":"389-425","price":67.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/389-425_01.jpg?v=1758303770"},{"product_id":"fk-black-bump-rubber-super-soft","title":"FK Black Bump Rubber, Super Soft","description":"Hyper Racing # 389-426\u003cbr\u003e\u003cdiv\u003eThis FK Bump Stop is 2-1\/8\" tall, 1\/2\" Internal diameter hole.\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003eA bump rubber is used to keep the car from bottoming out and to add spring rate and therefore dynamic corner weight when the chassis travels far enough to get into the bump rubber. Generally, bump rubbers are used on the left rear shock.\u003c\/div\u003e\u003cdiv\u003e\n\u003cbr\u003eIt is used on winged racing in some situations to keep the car from bottoming out on the left rear on entry which will kill traction. However, because it also adds a progressive spring rate on the left rear can also loosen the car because it unloads the right rear on entry. See the \u003cstrong\u003eRethink Dirt paper\u003c\/strong\u003e in the Tech Department of the website for a more clear understanding.\u003c\/div\u003e\u003cdiv\u003e\n\u003cbr\u003eA bump rubber can also be used on the left rear of a wingless car to add traction on corner exit. As the car squats on the left rear under acceleration, if set correctly, it will compress the bump rubber and add a lot of left rear weight, which can, i\u003c\/div\u003e","brand":"Factory Kahne Shocks","offers":[{"title":"Default Title","offer_id":51393446215911,"sku":"389-426","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/389-426_01.jpg?v=1758303771"},{"product_id":"fk-blue-bump-stop-stiff","title":"FK Blue Bump Stop, Stiff","description":"Hyper Racing # 389-4271\u003cbr\u003e\u003cdiv\u003eThis FK Bump Stop is 2\" tall, 1\/2\" Internal diameter hole.\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003eA bump rubber is used to keep the car from bottoming out and to add spring rate and therefore dynamic corner weight when the chassis travels far enough to get into the bump rubber. Generally, bump rubbers are used on the left rear shock.\u003c\/div\u003e\u003cdiv\u003e\n\u003cbr\u003eIt is used on winged racing in some situations to keep the car from bottoming out on the left rear on entry which will kill traction. However, because it also adds a progressive spring rate on the left rear can also loosen the car because it unloads the right rear on entry. See the \u003cstrong\u003eRethink Dirt paper\u003c\/strong\u003e in the Tech Department of the website for a more clear understanding.\u003c\/div\u003e\u003cdiv\u003e\n\u003cbr\u003eA bump rubber can also be used on the left rear of a wingless car to add traction on corner exit. As the car squats on the left rear under acceleration, if set correctly, it will compress the bump rubber and add a lot of left rear weight, which can, if no\u003c\/div\u003e","brand":"Factory Kahne Shocks","offers":[{"title":"Default Title","offer_id":51393446314215,"sku":"389-4271","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/389-4271_01.jpg?v=1758303773"},{"product_id":"fk-red-bump-stop-medium","title":"FK Red Bump Stop, Medium","description":"Hyper Racing # 389-4272\u003cbr\u003e\u003cdiv\u003eThis FK Red Bump Stop is 2-1\/8\" tall, 1\/2\" Internal diameter hole.\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003eA bump rubber is used to keep the car from bottoming out and to add spring rate and therefore dynamic corner weight when the chassis travels far enough to get into the bump rubber. Generally, bump rubbers are used on the left rear shock.\u003c\/div\u003e\u003cdiv\u003e\n\u003cbr\u003eIt is used on winged racing in some situations to keep the car from bottoming out on the left rear on entry which will kill traction. However, because it also adds a progressive spring rate on the left rear can also loosen the car because it unloads the right rear on entry. See the \u003cstrong\u003eRethink Dirt paper\u003c\/strong\u003e in the Tech Department of the website for a more clear understanding.\u003c\/div\u003e\u003cdiv\u003e\n\u003cbr\u003eA bump rubber can also be used on the left rear of a wingless car to add traction on corner exit. As the car squats on the left rear under acceleration, if set correctly, it will compress the bump rubber and add a lot of left rear weight, which ca\u003c\/div\u003e","brand":"Factory Kahne Shocks","offers":[{"title":"Default Title","offer_id":51393446346983,"sku":"389-4272","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/389-4272_01.jpg?v=1758303773"},{"product_id":"fk-bump-washer","title":"FK Bump Washer","description":"Hyper Racing # 389-428\u003cbr\u003e\u003cp\u003eUse this to put on the Eye end of the shock when using a bump rubber to control the spread, keep the rubber from breaking and to provide a surface for the bump rubber to work on.\u003c\/p\u003e","brand":"Factory Kahne Shocks","offers":[{"title":"Default Title","offer_id":51393446379751,"sku":"389-428","price":23.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/389-428_01.jpg?v=1758303775"},{"product_id":"hyper-f-c-bump-rubber-soft","title":"Hyper F-C Bump Rubber, Soft","description":"Hyper Racing # 389-448\u003cbr\u003e\u003cdiv\u003eThe Hyper Racing F-C (Full Control) Bump Rubber is 4\" tall. The advantage of a tall bump rubber is that it can have a lot of engagement before the spring rate becomes infinite. This happens at about 2-¼\" on this bump rubber. On a normal 2\" bump rubber this happens at about 1\" of travel. When the spring rate becomes infinite, the car gets really tight. On a wingless car, this can happen on entry when the driver lifts or if there is any kind of roughness in the track.\u003cbr\u003e\u003cbr\u003eA bump rubber is used to keep the car from bottoming out and to add spring rate and therefore dynamic corner weight when the chassis travels far enough to get into the bump rubber. Generally, bump rubbers are used on the left rear shock.\u003c\/div\u003e\u003cdiv\u003e\n\u003cbr\u003eIt is used on a wingless car to add traction on corner exit. As the car squats on the left rear under acceleration, if set correctly, it will compress the bump rubber and add a lot of left rear weight, which can, if not excessive, add traction. The timing of\u003c\/div\u003e","brand":"Factory Kahne Shocks","offers":[{"title":"Default Title","offer_id":51393446609127,"sku":"389-448","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/389-448_01.jpg?v=1758303777"},{"product_id":"h-mark-bump-rubber-medium","title":"H-Mark Bump Rubber, Medium","description":"Hyper Racing # 389-450\u003cbr\u003e\u003cimg src=\"Images\/Product_Images\/1HM.png\" alt=\"Gold H-Mark Logo\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cdiv\u003eThe Hyper Racing F-C (Full Control) Bump Rubber is 4\" tall. The advantage of a tall bump rubber is that it can have a lot of engagement before the spring rate becomes infinite. This happens at about 2-¼\" on this bump rubber. On a normal 2\" bump rubber this happens at about 1\" of travel. When the spring rate becomes infinite, the car gets really tight. On a wingless car, this can happen on entry when the driver lifts or if there is any kind of roughness in the track.\u003cbr\u003e\u003cbr\u003eA bump rubber is used to keep the car from bottoming out and to add spring rate and therefore dynamic corner weight when the chassis travels far enough to get into the bump rubber. Generally, bump rubbers are used on the left rear shock.\u003c\/div\u003e\u003cdiv\u003e\n\u003cbr\u003eIt is used on a wingless car to add traction on corner exit. As the car squats on the left rear under acceleration, if set correctly, it will compress the bump rubber and add a lot of left rear\u003c\/div\u003e","brand":"Factory Kahne Shocks","offers":[{"title":"Default Title","offer_id":51393446641895,"sku":"389-450","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/389-450_01.jpg?v=1758303778"},{"product_id":"hyper-f-c-bump-rubber-stiff","title":"Hyper F-C Bump Rubber, Stiff","description":"Hyper Racing # 389-452\u003cbr\u003e\u003cdiv\u003eThe Hyper Racing F-C (Full Control) Bump Rubber is 4\" tall. The advantage of a tall bump rubber is that it can have a lot of engagement before the spring rate becomes infinite. This happens at about 2-¼\" on this bump rubber. On a normal 2\" bump rubber this happens at about 1\" of travel. When the spring rate becomes infinite, the car gets really tight. On a wingless car, this can happen on entry when the driver lifts or if there is any kind of roughness in the track.\u003cbr\u003e\u003cbr\u003eA bump rubber is used to keep the car from bottoming out and to add spring rate and therefore dynamic corner weight when the chassis travels far enough to get into the bump rubber. Generally, bump rubbers are used on the left rear shock.\u003c\/div\u003e\u003cdiv\u003e\n\u003cbr\u003eIt is used on a wingless car to add traction on corner exit. As the car squats on the left rear under acceleration, if set correctly, it will compress the bump rubber and add a lot of left rear weight, which can, if not excessive, add traction. The timing of\u003c\/div\u003e","brand":"Factory Kahne Shocks","offers":[{"title":"Default Title","offer_id":51393446674663,"sku":"389-452","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/files\/389-452_01.jpg?v=1758303780"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/9919\/8951\/collections\/Thum-SUB-600-Afco-Shock-Bump-Rubbers.jpg?v=1758903020","url":"https:\/\/fmpracing.com\/collections\/shock-bump-rubbers.oembed","provider":"FM Performance","version":"1.0","type":"link"}