{"product_id":"jk-2dr-teraflex-4-alpine-rt4-long-arm-suspension-system-no-shocks-1234000","title":"JK 2dr: TeraFlex 4\" Alpine RT4 Long Arm Suspension System – No Shocks – 1234000","description":"\u003cp\u003eJK 2dr: 4\" Alpine RT4 Long Arm Suspension System - No Shocks.\u003c\/p\u003e\u003cp\u003eTeraFlex Alpine RT (Rogue Trail) Suspension Systems build on our already capable Alpine CT (Cross-Trail) Suspension Systems. These systems include all our top-of-the-line components.\u003c\/p\u003e\u003cp\u003eThe TeraFlex 4\" Alpine RT4 Long Arm Suspension System is developed for the off-roader craving trails and rocks as well as highway control in a no-compromise package. With its Alpine IR Long Control Arms \u0026amp; Brackets this suspension system provides a completely new driving experience. Combined with the HD Adjustable Front and Rear Track Bars the Alpine RT4 provides full suspension adjustability both on- and off-road!\u003c\/p\u003e\u003cp\u003eAdjustable Alpine IR Long Control Arms balance front caster angle and pinion angles as well as optimize rear pinion angles anti-squat geometry and tire position on vehicles with 3-6\" lifts. On higher lifts Alpine Long Arm Brackets reposition frame-end control arm mounting points to restore near factory orientation to reduce bushing stress during extreme droop as well as shock load transferred through the control arms.\u003c\/p\u003e\u003cp\u003eFront and Rear HD Forged Adjustable Track Bars and Rear Track Bar Bracket improve steering response center the axles to optimize vehicle roll center and reduce body roll for improved handling. Additionally Alpine IR Control Arms feature our IR (Independent Rotation) Bushings. These innovative bushings remove bushing bind during full suspension travel for less overall bushing load during articulation resulting in unrestricted droop as well as a noticeable ride improvement whether on the highway or the trail.\u003c\/p\u003e\u003cp\u003eThis results in improved suspension geometry and relaxed control arm angles for a superior ride quality and performance regardless of terrain. These systems restore front and rear roll axis angles to minimize brake dive and acceleration squat. TeraFlex suspension systems provide reduced noise, vibration, and harshness (NVH). Alpine RT Suspension Systems are for the Jeeper who wants it all!\u003c\/p\u003e\u003cp\u003eThe TeraFlex 4\" Alpine RT4 Long Arm Suspension System is developed for the off-roader craving trails and rocks as well as highway control. The Alpine RT4 provides full suspension adjustability both on- and off-road!\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment and Installation Notes\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRequires aftermarket wheels with 4.75\" backspacing or less - or Offset Wheel Adapters (# 1055000) for stock wheels - NOT INCLUDED.\u003c\/li\u003e\n\u003cli\u003eWe highly recommend driveshaft modifications such as our High-Angle Rzeppa CV Driveshafts or our High-Angle Rzeppa CV Joint Kit (# 1744014).\u003c\/li\u003e\n\u003cli\u003eRequires cutting\/removal of factory control arm bracketry to install Alpine Long Arm Brackets.\u003c\/li\u003e\n\u003cli\u003eRequires cutting and welding.\u003c\/li\u003e\n\u003cli\u003eAlignment required.\u003c\/li\u003e\n\u003cli\u003eRequires longer shocks (NOT INCLUDED in base kit)\u003c\/li\u003e\n\u003cli\u003eFalcon Performance Shocks recommended.\u003c\/li\u003e\n\u003c\/ul\u003e         \u003cli id=\"installation\"\u003e\u003cdiv id=\"installation\"\u003e \u003cbr\u003e \u003cdiv\u003e\n\u003cb\u003eDO IT YOURSELF:\u003c\/b\u003e Please read Instructions thoroughly and completely before beginning installation. Installation by a certified mechanic is recommended. TeraFlex is NOT responsible for any damage or failure resulting from improper installation.\u003c\/div\u003e  \u003cdiv\u003e Estimated Labor Time: 20 Hours\u003cli\u003e Installation Effort: 20 Hours\u003c\/li\u003e\n\u003c\/div\u003e   \u003cdiv\u003e  \u003cdiv\u003e \u003cimg src=\"https:\/\/teraflex.com\/media\/amasty\/amfile\/icon\/Document.png\"\u003e \u003ca href=\"https:\/\/teraflex.com\/amfile\/file\/download\/file\/1520\/product\/3992\/\" target=\"_blank\"\u003e999043 JK Forged Rear Adjustable Trackbar Instructions\u003c\/a\u003e  \u003cspan\u003e(242.15 kB)\u003c\/span\u003e \u003c\/div\u003e \u003cdiv\u003e \u003cimg src=\"https:\/\/teraflex.com\/media\/amasty\/amfile\/icon\/Document.png\"\u003e \u003ca href=\"https:\/\/teraflex.com\/amfile\/file\/download\/file\/1521\/product\/3992\/\" target=\"_blank\"\u003e999044 JK Forged Front Monster Track Bar\u003c\/a\u003e  \u003cspan\u003e(1.85 MB)\u003c\/span\u003e \u003c\/div\u003e \u003cdiv\u003e \u003cimg src=\"https:\/\/teraflex.com\/media\/amasty\/amfile\/icon\/Document.png\"\u003e \u003ca href=\"https:\/\/teraflex.com\/amfile\/file\/download\/file\/1524\/product\/3992\/\" target=\"_blank\"\u003e999090 JK Long Arm Bracket Instructions\u003c\/a\u003e  \u003cspan\u003e(4.69 MB)\u003c\/span\u003e \u003c\/div\u003e \u003cdiv\u003e \u003cimg src=\"https:\/\/teraflex.com\/media\/amasty\/amfile\/icon\/Document.png\"\u003e \u003ca href=\"https:\/\/teraflex.com\/amfile\/file\/download\/file\/1608\/product\/3992\/\" target=\"_blank\"\u003e999292 JK Front and Rear 3-3.5 Lift SpeedBump Kit\u003c\/a\u003e  \u003cspan\u003e(2.05 MB)\u003c\/span\u003e \u003c\/div\u003e \u003cdiv\u003e \u003cimg src=\"https:\/\/teraflex.com\/media\/amasty\/amfile\/icon\/Document.png\"\u003e \u003ca href=\"https:\/\/teraflex.com\/amfile\/file\/download\/file\/1611\/product\/3992\/\" target=\"_blank\"\u003e999298 07-17 JK 4-6 Inch Suspension Lift Kit\u003c\/a\u003e  \u003cspan\u003e(3.79 MB)\u003c\/span\u003e   \u003cdiv\u003e\n\u003ch3\u003eHave a certified mechanic do it for you!\u003c\/h3\u003e\n\u003cform\u003e\n\u003clabel\u003eLocation *\u003c\/label\u003e \u003cinput type=\"text\" placeholder=\"Enter a Location\" value=\"\"\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cinput type=\"radio\" id=\"pdp-search-location\" name=\"search-option\" value=\"search-location\" checked\u003e\u003clabel for=\"pdp-search-location\"\u003eLocation\u003c\/label\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cinput type=\"radio\" id=\"pdp-search-distributor\" name=\"search-option\" value=\"search-distributor\"\u003e\u003clabel for=\"pdp-search-distributor\"\u003eDistributor Name\u003c\/label\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cinput type=\"submit\" id=\"pdp-submit\" value=\"Search\"\u003e\n\u003c\/form\u003e     \u003cli id=\"fnb\"\u003e\u003cdiv id=\"fnb\"\u003e\n\u003cul\u003e\n\u003cli\u003eColor: 12mm X 100\u003c\/li\u003e\n\u003cli\u003eAlpine RT4:\u003c\/li\u003e\n\u003cli\u003eLift Height: 4\"\u003c\/li\u003e\n\u003cli\u003eMax Tire Diameter: 37\"\u003c\/li\u003e\n\u003cli\u003eRT Long Arm Suspension Systems:\u003c\/li\u003e\n\u003cli\u003eAdjustable Alpine IR Long Control Arms \u0026amp; Brackets balance front caster angle and pinion angles as well as optimize rear pinion angle and tune anti-squat geometry for proper suspension alignment on 3-6\" lift kits\u003c\/li\u003e\n\u003cli\u003eAlpine IR Long Control Arms are constructed from durable 42mm x 4mm (upper) or 50mm x 5mm (lower) wall DOM tube for maximum strength\u003c\/li\u003e\n\u003cli\u003eOn higher lifts, Alpine Long Arm Brackets reposition frame-end control arm mounting points to restore near factory orientation to reduce bushing stress during extreme droop as well as shock load transferred through the Alpine IR Long Control Arms\u003c\/li\u003e\n\u003cli\u003eAlpine Long Arm Brackets are gusseted and reinforced for superior strength with reduced NVH compared to other long arm kits\u003c\/li\u003e\n\u003cli\u003eRogue Trail:\u003c\/li\u003e\n\u003cli\u003eDelivers true Rogue Trail (RT) performance\u003c\/li\u003e\n\u003cli\u003ePositive, responsive handling with reduced NVH\u003c\/li\u003e\n\u003cli\u003eInnovative IR Bushings provide unrestricted rotation and flex as well as excellent NVH damping\u003c\/li\u003e\n\u003cli\u003eMaintenance-free IR Bushings improve on- and off-road ride quality and performance\u003c\/li\u003e\n\u003cli\u003eHD Forged Adjustable Front and Rear (4\"+) Track Bars and Rear Track Bar Bracket improve steering response, center axles to optimize vehicle roll center, and reduce body roll for improved handling\u003c\/li\u003e\n\u003cli\u003eFront SpeedBump and rear Progressive Bump Stops provide progressive compression during high-speed suspension movement\u003c\/li\u003e\n\u003cli\u003eCoil spring retainers prevent the springs from unseating during full suspension travel\u003c\/li\u003e\n\u003cli\u003eFull range of movement for off-road flex and articulation\u003c\/li\u003e\n\u003cli\u003eTeraFlex Limited Lifetime Warranty against defects\u003c\/li\u003e\n\u003cli\u003eFitment: Fits:\u003c\/li\u003e\n\u003cli\u003eFitment: JK Wrangler (2-Door)\u003c\/li\u003e\n\u003cli\u003eFitment: Specs:\u003c\/li\u003e\n\u003cli\u003eFitment: Lift Height: 4\"\u003c\/li\u003e\n\u003cli\u003eFitment: Max Tire Diameter: 37\"\u003c\/li\u003e\n\u003cli\u003eHeight: 28\u003c\/li\u003e\n\u003cli\u003eInstallation Time: 20 Hours\u003c\/li\u003e\n\u003cli\u003eLength: 42\u003c\/li\u003e\n\u003cli\u003eProduct Image Size: Default\u003c\/li\u003e\n\u003cli\u003eNote: Requires aftermarket wheels with 4.75\" backspacing or less - or Offset Wheel Adapters (# 1055000) for stock wheels - NOT INCLUDED.\u003c\/li\u003e\n\u003cli\u003eNote: We highly recommend driveshaft modifications such as our High-Angle Rzeppa CV Driveshafts or our High-Angle Rzeppa CV Joint Kit (# 1744014).\u003c\/li\u003e\n\u003cli\u003eNote: Requires cutting\/removal of factory control arm bracketry to install Alpine Long Arm Brackets.\u003c\/li\u003e\n\u003cli\u003eNote: Requires cutting and welding.\u003c\/li\u003e\n\u003cli\u003eNote: Alignment required.\u003c\/li\u003e\n\u003cli\u003eNote: Requires longer shocks (NOT INCLUDED in base kit)\u003c\/li\u003e\n\u003cli\u003eNote: Falcon Performance Shocks recommended.\u003c\/li\u003e\n\u003cli\u003eSize: 2XL\u003c\/li\u003e\n\u003cli\u003eFeatured: No\u003c\/li\u003e\n\u003cli\u003eWidth: 40\u003c\/li\u003e\n\u003c\/ul\u003e \u003c\/div\u003e\u003c\/li\u003e     \u003cli id=\"additional-information\"\u003e\u003cdiv id=\"additional-information\"\u003e \u003cspan\u003e WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\/product\" target=\"blank\"\u003ewww.P65Warnings.ca.gov\/product\u003c\/a\u003e\u003c\/span\u003e  \u003c\/div\u003e\u003c\/li\u003e  \u003cbr\u003e \u003cdiv\u003e\n\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cp\u003eJK 2dr: 4\" Alpine RT4 Long Arm Suspension System - No Shocks.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe TeraFlex 4\" Alpine RT4 Long Arm Suspension System is developed for the off-roader craving trails and rocks as well as highway control.\u003c\/li\u003e\n\u003cli\u003eLift Height: 4\"\u003c\/li\u003e\n\u003cli\u003eMax Tire Diameter: 37\"\u003c\/li\u003e\n\u003cli\u003eAlpine IR Long Control Arms are constructed from durable 42mm x 4mm (upper) or 50mm x 5mm (lower) wall DOM tube for maximum strength\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment and Installation Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires aftermarket wheels with 4.75\" backspacing or less - or Offset Wheel Adapters (# 1055000) for stock wheels - NOT INCLUDED.\u003c\/li\u003e\n\u003cli\u003eRequires cutting\/removal of factory control arm bracketry to install Alpine Long Arm Brackets.\u003c\/li\u003e\n\u003cli\u003eRequires cutting and welding.\u003c\/li\u003e\n\u003cli\u003eAlignment required.\u003c\/li\u003e\n\u003cli\u003eRequires longer shocks (NOT INCLUDED in base kit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv id=\"pdp_tabs_wrapper_mob\"\u003e \u003cul\u003e\n\u003cli\u003eDetails\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv id=\"details\"\u003e\n\u003cp\u003eJK 2dr: 4\" Alpine RT4 Long Arm Suspension System - No Shocks.\u003c\/p\u003e\n\u003cp\u003eTeraFlex Alpine RT (Rogue Trail) Suspension Systems build on our already capable Alpine CT (Cross-Trail) Suspension Systems. These systems include all our top-of-the-line components.\u003c\/p\u003e\n\u003cp\u003eThe TeraFlex 4\" Alpine RT4 Long Arm Suspension System is developed for the off-roader craving trails and rocks as well as highway control in a no-compromise package. With its Alpine IR Long Control Arms \u0026amp; Brackets this suspension system provides a completely new driving experience. Combined with the HD Adjustable Front and Rear Track Bars the Alpine RT4 provides full suspension adjustability both on- and off-road!\u003c\/p\u003e\n\u003cp\u003eAdjustable Alpine IR Long Control Arms balance front caster angle and pinion angles as well as optimize rear pinion angles anti-squat geometry and tire position on vehicles with 3-6\" lifts. On higher lifts Alpine Long Arm Brackets reposition frame-end control arm mounting points to restore near factory orientation to reduce bushing stress during extreme droop as well as shock load transferred through the control arms.\u003c\/p\u003e\n\u003cp\u003eFront and Rear HD Forged Adjustable Track Bars and Rear Track Bar Bracket improve steering response center the axles to optimize vehicle roll center and reduce body roll for improved handling. Additionally Alpine IR Control Arms feature our IR (Independent Rotation) Bushings. These innovative bushings remove bushing bind during full suspension travel for less overall bushing load during articulation resulting in unrestricted droop as well as a noticeable ride improvement whether on the highway or the trail.\u003c\/p\u003e\n\u003cp\u003eThis results in improved suspension geometry and relaxed control arm angles for a superior ride quality and performance regardless of terrain. These systems restore front and rear roll axis angles to minimize brake dive and acceleration squat. TeraFlex suspension systems provide reduced noise, vibration, and harshness (NVH). Alpine RT Suspension Systems are for the Jeeper who wants it all!\u003c\/p\u003e\n\u003cp\u003eThe TeraFlex 4\" Alpine RT4 Long Arm Suspension System is developed for the off-roader craving trails and rocks as well as highway control. The Alpine RT4 provides full suspension adjustability both on- and off-road!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment and Installation Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires aftermarket wheels with 4.75\" backspacing or less - or Offset Wheel Adapters (# 1055000) for stock wheels - NOT INCLUDED.\u003c\/li\u003e\n\u003cli\u003eWe highly recommend driveshaft modifications such as our High-Angle Rzeppa CV Driveshafts or our High-Angle Rzeppa CV Joint Kit (# 1744014).\u003c\/li\u003e\n\u003cli\u003eRequires cutting\/removal of factory control arm bracketry to install Alpine Long Arm Brackets.\u003c\/li\u003e\n\u003cli\u003eRequires cutting and welding.\u003c\/li\u003e\n\u003cli\u003eAlignment required.\u003c\/li\u003e\n\u003cli\u003eRequires longer shocks (NOT INCLUDED in base kit)\u003c\/li\u003e\n\u003cli\u003eFalcon Performance Shocks recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlpine RT4:\u003c\/li\u003e\n\u003cli\u003eLift Height: 4\"\u003c\/li\u003e\n\u003cli\u003eMax Tire Diameter: 37\"\u003c\/li\u003e\n\u003cli\u003eRT Long Arm Suspension Systems:\u003c\/li\u003e\n\u003cli\u003eAdjustable Alpine IR Long Control Arms \u0026amp; Brackets balance front caster angle and pinion angles as well as optimize rear pinion angle and tune anti-squat geometry for proper suspension alignment on 3-6\" lift kits\u003c\/li\u003e\n\u003cli\u003eAlpine IR Long Control Arms are constructed from durable 42mm x 4mm (upper) or 50mm x 5mm (lower) wall DOM tube for maximum strength\u003c\/li\u003e\n\u003cli\u003eOn higher lifts, Alpine Long Arm Brackets reposition frame-end control arm mounting points to restore near factory orientation to reduce bushing stress during extreme droop as well as shock load transferred through the Alpine IR Long Control Arms\u003c\/li\u003e\n\u003cli\u003eAlpine Long Arm Brackets are gusseted and reinforced for superior strength with reduced NVH compared to other long arm kits\u003c\/li\u003e\n\u003cli\u003eRogue Trail:\u003c\/li\u003e\n\u003cli\u003eDelivers true Rogue Trail (RT) performance\u003c\/li\u003e\n\u003cli\u003ePositive, responsive handling with reduced NVH\u003c\/li\u003e\n\u003cli\u003eInnovative IR Bushings provide unrestricted rotation and flex as well as excellent NVH damping\u003c\/li\u003e\n\u003cli\u003eMaintenance-free IR Bushings improve on- and off-road ride quality and performance\u003c\/li\u003e\n\u003cli\u003eHD Forged Adjustable Front and Rear (4\"+) Track Bars and Rear Track Bar Bracket improve steering response, center axles to optimize vehicle roll center, and reduce body roll for improved handling\u003c\/li\u003e\n\u003cli\u003eFront SpeedBump and rear Progressive Bump Stops provide progressive compression during high-speed suspension movement\u003c\/li\u003e\n\u003cli\u003eCoil spring retainers prevent the springs from unseating during full suspension travel\u003c\/li\u003e\n\u003cli\u003eFull range of movement for off-road flex and articulation\u003c\/li\u003e\n\u003cli\u003eTeraFlex Limited Lifetime Warranty against defects\u003c\/li\u003e\n\u003cli\u003eInstallation Time: 20 Hours\u003c\/li\u003e\n\u003cli\u003eThe TeraFlex 4\" Alpine RT4 Long Arm Suspension System is developed for the off-roader craving trails and rocks as well as highway control.\u003c\/li\u003e\n\u003cli\u003eLift Height: 4\"\u003c\/li\u003e\n\u003cli\u003eMax Tire Diameter: 37\"\u003c\/li\u003e\n\u003cli\u003eAlpine IR Long Control Arms are constructed from durable 42mm x 4mm (upper) or 50mm x 5mm (lower) wall DOM tube for maximum strength\u003c\/li\u003e\n\u003cli\u003eRequires aftermarket wheels with 4.75\" backspacing or less - or Offset Wheel Adapters (# 1055000) for stock wheels - NOT INCLUDED.\u003c\/li\u003e\n\u003cli\u003eRequires cutting\/removal of factory control arm bracketry to install Alpine Long Arm Brackets.\u003c\/li\u003e\n\u003cli\u003eRequires cutting and welding.\u003c\/li\u003e\n\u003cli\u003eAlignment required.\u003c\/li\u003e\n\u003cli\u003eRequires longer shocks (NOT INCLUDED in base kit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits:\u003c\/li\u003e\n\u003cli\u003eJK Wrangler (2-Door)\u003c\/li\u003e\n\u003cli\u003eSpecs:\u003c\/li\u003e\n\u003cli\u003eLift Height: 4\"\u003c\/li\u003e\n\u003cli\u003eMax Tire Diameter: 37\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/li\u003e","brand":"TeraFlex","offers":[{"title":"Default Title","offer_id":53633786216629,"sku":"1234000","price":5248.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/1939\/0052\/files\/1234000-v1-20191121-web_22.jpg?v=1793304115","url":"https:\/\/spyderoffroad.com\/products\/jk-2dr-teraflex-4-alpine-rt4-long-arm-suspension-system-no-shocks-1234000","provider":"Spyder Off-Road and Performance","version":"1.0","type":"link"}