{ "id":7400248934443, "title":"2.5 Rear 2 Tube Bypass Shock", "handle":"2-5-rear-2-tube-bypass-shock", "description":"\u003cscript type=\"text\/javascript\"\u003e\/\/ \u003c![CDATA[\n$(document).ready(function($) {\n $('#accordion').find('.accordion-toggle').click(function(){\n\n \/\/Expand or collapse this panel\n $(this).next().slideToggle('slow');\n\n \/\/Hide the other panels\n $(\".accordion-content\").not($(this).next()).slideUp('slow');\n\n });\n });\n\/\/ ]]\u003e\u003c\/script\u003e\n\u003cdiv id=\"accordion\"\u003e\n\u003ch4 class=\"accordion-toggle\"\u003e\n\u003ci class=\"fa fa-info-circle\" aria-hidden=\"true\"\u003e\u003c\/i\u003e Description\u003c\/h4\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cp\u003eThe King Shocks 25001‑381 pair is a bolt‑on OEM performance upgrade for the rear of 2003–2023 Toyota 4Runner (with or without KDSS) and 2007–2014 FJ Cruiser. These are 2.5″ diameter 2‑tube bypass shocks with remote reservoirs, custom‑tuned for optimal ride quality and improved off‑road control, while increasing fluid capacity and heat dissipation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4 class=\"accordion-toggle\"\u003e\n\u003ci class=\"fa fa-gears\" aria-hidden=\"true\"\u003e\u003c\/i\u003e Specifications\u003c\/h4\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eBody diameter: 2.50″\u003c\/li\u003e\n\u003cli\u003eExtended length: 24.756″\u003c\/li\u003e\n\u003cli\u003eCompressed length: 16.242″\u003c\/li\u003e\n\u003cli\u003eStroke: 8.514″\u003c\/li\u003e\n\u003cli\u003eGas pressure: 150 psi (N₂ gas charged)\u003c\/li\u003e\n\u003cli\u003eRemote reservoir with hard‑anodized 6063 aluminum reservoir\u003c\/li\u003e\n\u003cli\u003eNon‑adjustable bypass valving (compression \u0026amp; rebound tuned in factory)\u003c\/li\u003e\n\u003cli\u003e100% bolt‑in OEM fitment for included vehicles\u003c\/li\u003e\n\u003cli\u003eFully rebuildable, serviceable, and tunable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch4 class=\"accordion-toggle\"\u003e\n\u003ci class=\"fa fa-check-square-o\" aria-hidden=\"true\"\u003e\u003c\/i\u003e What's Included\u003c\/h4\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cul\u003e\n\u003cli\u003ePair of 2.5″ King bypass shocks with remote reservoirs\u003c\/li\u003e\n\u003cli\u003ePre‑mounted reservoir brackets and hoses\u003c\/li\u003e\n\u003cli\u003eSteel washers, bushings, and mounting hardware\u003c\/li\u003e\n\u003cli\u003eInstallation instructions (INS‑T013 PDF)\u003c\/li\u003e\n\u003cli\u003eEach shock features cadmium‑plated body, Teflon bronze wear band, urethane seals, and rebuildable internals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch4 class=\"accordion-toggle\"\u003e\n\u003ci class=\"fa fa-list\" aria-hidden=\"true\"\u003e\u003c\/i\u003e Features\u003c\/h4\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision‑bored cadmium‑plated 2.5″ body\u003c\/li\u003e\n\u003cli\u003eHeat‑treated 6061 aluminum alloy piston\u003c\/li\u003e\n\u003cli\u003eStainless‑steel valve shims\u003c\/li\u003e\n\u003cli\u003eTeflon‑lined spherical bearings \u0026amp; misalignment spacers\u003c\/li\u003e\n\u003cli\u003e7\/8″ hard‑chromed, heat‑treated, micro‑polished shaft (100 ksi tensile)\u003c\/li\u003e\n\u003cli\u003eHard‑anodized 6063 aluminum reservoirs\u003c\/li\u003e\n\u003cli\u003eAircraft‑grade billet aluminum components\u003c\/li\u003e\n\u003cli\u003eFully rebuildable and tunable design\u003c\/li\u003e\n\u003cli\u003eExternal reservoirs for increased fluid capacity and heat dissipation\u003c\/li\u003e\n\u003cli\u003eMade in the USA, dyno and real‑world tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch4 class=\"accordion-toggle\"\u003e\n\u003ci class=\"fa fa-car\" aria-hidden=\"true\"\u003e\u003c\/i\u003e Compatibility\u003c\/h4\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cp\u003e2003–2023 Toyota 4Runner (4WD – includes KDSS)\u003c\/p\u003e\n\u003cp\u003e2007–2014 FJ Cruiser\u003c\/p\u003e\n\u003cp\u003eThey fit both stock-height and lifted rear suspensions (up to ~2.5″)\u003c\/p\u003e\n\u003chr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e", "published_at":"2025-10-01T07:58:22-07:00", "created_at":"2025-06-20T12:21:13-07:00", "vendor":"King Shocks", "type":"Toyota", "tags":["03 4Runner","04 4Runner","05 4Runner","06 4Runner","07 4Runner","07 FJ Cruiser","08 4Runner","08 FJ Cruiser","09 4Runner","09 FJ Cruiser","10 4Runner","10 FJ Cruiser","11 4Runner","11 FJ Cruiser","12 4Runner","12 FJ Cruiser","13 4Runner","13 FJ Cruiser","14 4Runner","14 FJ Cruiser","15 4Runner","16 4Runner","17 4Runner","18 4Runner","19 4Runner","20 4Runner","21 4Runner","22 4Runner","23 4Runner","4Runner","All Years","Drivetrain_2WD","Drivetrain_4WD","Drivetrain_View All","Fits: 4Runner 2003-2023 | 2WD \/ 4WD","Fits: FJ Cruiser 2007-2014 | 2WD \/ 4WD","FJ Cruiser","Product Type_Rear End","Product Type_View All","VD-10%MAX"], "price":178200, "price_min":178200, "price_max":178200, "available":true, "price_varies":false, "compare_at_price":null, "compare_at_price_min":0, "compare_at_price_max":0, "compare_at_price_varies":false, "variants":[{"id":41849258606635, "title":"Default Title", "option1":"Default Title", "option2":null, "option3":null, "sku":"25001-381", "requires_shipping":true, "taxable":true, "featured_image":null, "available":true, "options":["Default Title"], "price":178200, "weight":17237, "compare_at_price":null, "inventory_quantity":0, "inventory_management":"shopify", "inventory_policy":"continue", "barcode":"25001-381"}], "images":["\/\/dirtking.com\/cdn\/shop\/files\/F198654440.png?v=1750446156"], "featured_image":"\/\/dirtking.com\/cdn\/shop\/files\/F198654440.png?v=1750446156", "options":["Title"], "content":"\u003cscript type=\"text\/javascript\"\u003e\/\/ \u003c![CDATA[\n$(document).ready(function($) {\n $('#accordion').find('.accordion-toggle').click(function(){\n\n \/\/Expand or collapse this panel\n $(this).next().slideToggle('slow');\n\n \/\/Hide the other panels\n $(\".accordion-content\").not($(this).next()).slideUp('slow');\n\n });\n });\n\/\/ ]]\u003e\u003c\/script\u003e\n\u003cdiv id=\"accordion\"\u003e\n\u003ch4 class=\"accordion-toggle\"\u003e\n\u003ci class=\"fa fa-info-circle\" aria-hidden=\"true\"\u003e\u003c\/i\u003e Description\u003c\/h4\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cp\u003eThe King Shocks 25001‑381 pair is a bolt‑on OEM performance upgrade for the rear of 2003–2023 Toyota 4Runner (with or without KDSS) and 2007–2014 FJ Cruiser. These are 2.5″ diameter 2‑tube bypass shocks with remote reservoirs, custom‑tuned for optimal ride quality and improved off‑road control, while increasing fluid capacity and heat dissipation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4 class=\"accordion-toggle\"\u003e\n\u003ci class=\"fa fa-gears\" aria-hidden=\"true\"\u003e\u003c\/i\u003e Specifications\u003c\/h4\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eBody diameter: 2.50″\u003c\/li\u003e\n\u003cli\u003eExtended length: 24.756″\u003c\/li\u003e\n\u003cli\u003eCompressed length: 16.242″\u003c\/li\u003e\n\u003cli\u003eStroke: 8.514″\u003c\/li\u003e\n\u003cli\u003eGas pressure: 150 psi (N₂ gas charged)\u003c\/li\u003e\n\u003cli\u003eRemote reservoir with hard‑anodized 6063 aluminum reservoir\u003c\/li\u003e\n\u003cli\u003eNon‑adjustable bypass valving (compression \u0026amp; rebound tuned in factory)\u003c\/li\u003e\n\u003cli\u003e100% bolt‑in OEM fitment for included vehicles\u003c\/li\u003e\n\u003cli\u003eFully rebuildable, serviceable, and tunable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch4 class=\"accordion-toggle\"\u003e\n\u003ci class=\"fa fa-check-square-o\" aria-hidden=\"true\"\u003e\u003c\/i\u003e What's Included\u003c\/h4\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cul\u003e\n\u003cli\u003ePair of 2.5″ King bypass shocks with remote reservoirs\u003c\/li\u003e\n\u003cli\u003ePre‑mounted reservoir brackets and hoses\u003c\/li\u003e\n\u003cli\u003eSteel washers, bushings, and mounting hardware\u003c\/li\u003e\n\u003cli\u003eInstallation instructions (INS‑T013 PDF)\u003c\/li\u003e\n\u003cli\u003eEach shock features cadmium‑plated body, Teflon bronze wear band, urethane seals, and rebuildable internals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch4 class=\"accordion-toggle\"\u003e\n\u003ci class=\"fa fa-list\" aria-hidden=\"true\"\u003e\u003c\/i\u003e Features\u003c\/h4\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision‑bored cadmium‑plated 2.5″ body\u003c\/li\u003e\n\u003cli\u003eHeat‑treated 6061 aluminum alloy piston\u003c\/li\u003e\n\u003cli\u003eStainless‑steel valve shims\u003c\/li\u003e\n\u003cli\u003eTeflon‑lined spherical bearings \u0026amp; misalignment spacers\u003c\/li\u003e\n\u003cli\u003e7\/8″ hard‑chromed, heat‑treated, micro‑polished shaft (100 ksi tensile)\u003c\/li\u003e\n\u003cli\u003eHard‑anodized 6063 aluminum reservoirs\u003c\/li\u003e\n\u003cli\u003eAircraft‑grade billet aluminum components\u003c\/li\u003e\n\u003cli\u003eFully rebuildable and tunable design\u003c\/li\u003e\n\u003cli\u003eExternal reservoirs for increased fluid capacity and heat dissipation\u003c\/li\u003e\n\u003cli\u003eMade in the USA, dyno and real‑world tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch4 class=\"accordion-toggle\"\u003e\n\u003ci class=\"fa fa-car\" aria-hidden=\"true\"\u003e\u003c\/i\u003e Compatibility\u003c\/h4\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cp\u003e2003–2023 Toyota 4Runner (4WD – includes KDSS)\u003c\/p\u003e\n\u003cp\u003e2007–2014 FJ Cruiser\u003c\/p\u003e\n\u003cp\u003eThey fit both stock-height and lifted rear suspensions (up to ~2.5″)\u003c\/p\u003e\n\u003chr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e"}
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2.5 Rear 2 Tube Bypass Shock

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Overview

 Description

The King Shocks 25001‑381 pair is a bolt‑on OEM performance upgrade for the rear of 2003–2023 Toyota 4Runner (with or without KDSS) and 2007–2014 FJ Cruiser. These are 2.5″ diameter 2‑tube bypass shocks with remote reservoirs, custom‑tuned for optimal ride quality and improved off‑road control, while increasing fluid capacity and heat dissipation.

 Specifications

  • Body diameter: 2.50″
  • Extended length: 24.756″
  • Compressed length: 16.242″
  • Stroke: 8.514″
  • Gas pressure: 150 psi (N₂ gas charged)
  • Remote reservoir with hard‑anodized 6063 aluminum reservoir
  • Non‑adjustable bypass valving (compression & rebound tuned in factory)
  • 100% bolt‑in OEM fitment for included vehicles
  • Fully rebuildable, serviceable, and tunable

 What's Included

  • Pair of 2.5″ King bypass shocks with remote reservoirs
  • Pre‑mounted reservoir brackets and hoses
  • Steel washers, bushings, and mounting hardware
  • Installation instructions (INS‑T013 PDF)
  • Each shock features cadmium‑plated body, Teflon bronze wear band, urethane seals, and rebuildable internals

 Features

  • Precision‑bored cadmium‑plated 2.5″ body
  • Heat‑treated 6061 aluminum alloy piston
  • Stainless‑steel valve shims
  • Teflon‑lined spherical bearings & misalignment spacers
  • 7/8″ hard‑chromed, heat‑treated, micro‑polished shaft (100 ksi tensile)
  • Hard‑anodized 6063 aluminum reservoirs
  • Aircraft‑grade billet aluminum components
  • Fully rebuildable and tunable design
  • External reservoirs for increased fluid capacity and heat dissipation
  • Made in the USA, dyno and real‑world tested

 Compatibility

2003–2023 Toyota 4Runner (4WD – includes KDSS)

2007–2014 FJ Cruiser

They fit both stock-height and lifted rear suspensions (up to ~2.5″)

SKU: 25001-381
Maximum quantity available reached.




Please view our shipping policy, exchange policy, and disclaimer information for details. If you would like more information or have any questions regarding our products,  feel free to contact us for assistance by visiting our contact page. 

Shipping & Delivery
Dirt King ships their products within the United States and Internationally. Most products ship via UPS or USPS. Orders that exceed $500 require a signature confirmation. On bulk orders contact Dirt King for a freight quote. The customer is responsible for import taxes and fees on international shipments.

Damaged or Missing Parts
In an instance where you receive a damaged package a claim must be made with Dirt King. The claim can be submitted by sending an email to sales@dirtkingfabrication.com containing photos of the damaged packages and damaged products. The email must also include your order number as well. Do not discard any of the original packaging or try installing the products.

While every precaution is taken there could be a case where you are missing parts. If this happens please send an email to sales@dirtkingfabrication.com with your order number, list of missing parts, photo of the package or packages, and a photo of the quality control tag located on the back of the box.

If the shipping carrier losses your package please contact Dirt King. A claim will be filled with the shipping carrier. Unfortunately, we do not have much control over this situation and must wait for the carrier to process the claim.

Freight Shipping
The customer must contact Dirt King to arrange for freight shipping. Dirt King will palletize the order and the customer can deal directly with the freight carrier if preferred. The shipment can be delivered to a home or business. The customer must be present for the delivery to inspect and sign for the package. Before signing confirm that you received all items listed on the packing slip and nothing is damaged. If you receive damaged parts or are missing parts leave a note on the bill of landing and sign it. Make sure the driver is aware of the situation and signs your copy of the bill of landing with the noted damages or missing parts. Once you have taken possession of the package file a claim with Dirt King by sending an email to sales@dirtkingfabrication.com. Please include your order number, copy of your bill of landing, and photos of the damaged items or list of missing parts. Do not discard any of the original packaging or try installing the products. Dirt King will do everything possible to resolve the issue as quickly as possible.

Fraud Protection
Orders placed on accounts with no prior order history may be flagged if the billing and shipping addresses do not match, or if the order is deemed “high risk” by our point-of-sale system. To avoid payment-related processing delays, please ensure your billing and shipping addresses are the same.

Orders flagged as “high risk” may still occur even when the addresses match. This measure is in place to protect our customers and prevent fraudulent activity.

If verification is required, we will request the following:

  • A clear photo of your government-issued ID showing only your name and billing address.
  • A photo of the payment card used, showing only the last four digits and the cardholder’s name.

To bypass our manual verification process, we recommend checking out with PayPal or Affirm, both of which are available at checkout.

If your order has been flagged for fraud, you can appeal here: https://dirtking.com/pages/fraud-protection

Returns & Exchange

  • Returns are only accepted within 30 days.
  • Product must have been purchased from us and not a dealer.
  • A 3% processing fee is deducted from all refunds.
  • On shipped orders a 7% restocking fee and a 3% processing fee is deducted from all refunds.
  • Products such as bumpers, hitches, and bed cages that have optional powder coat added are subject to a 7% restocking fee and a 3% processing fee. If the order is canceled before the product is powder coated then the 7% restocking fee can be waived.
  • On shipped orders we are not responsible for return shipping or refunding the original shipping amount.
  • Parts must be returned in the original package and condition as they were sent.
  • No returns on items that have been damaged or installed.
  • Refund will be issued once the parts have been received and inspected.
  • Custom products are non refundable.
  • Crypto orders will be refunded the same coin amount that was paid originally.

Disclaimer

All products sold or manufactured by Dirt King are intended for off-road use only. Our products are strictly engineered and tested and are not to be modified from their original design in any way. Welding should always be done at a qualified and certified facility only. Customer assumes all liability in assuring that parts are installed correctly, maintained, and not modified or altered in any way. Dirt King is not responsible or liable for any accidents, injuries, or deaths that may occur from the use of any products offered. Suspension modifications may change the dynamics and stability characteristics of the vehicle. Ensuring prompt wheel alignment and ADAS recalibration after suspension modifications is critical and the sole responsibility of the customer.

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