{"product_id":"fox-factory-race-series-3-0-internal-bypass-rear-shocks-for-2021-ford-f-150-0-1-in-lift-part-number-fox883-26-121","title":"FOX Factory Race Series 3.0 Internal Bypass Rear Shocks for 2021+ Ford F-150, 0-1 in Lift, Part Number FOX883-26-121","description":"FOX Factory Race Series 3.0 Internal Bypass shocks for the 14th generation Ford F-150 deliver position-sensitive damping technology, Dual Speed Compression (DSC) adjustment, and high-speed ready performance in a bolt-on kit. Patented Internal Bypass technology allows for multiple zones of damping control. The result is a comfortable, confident ride with increased damping force through rough terrain. Internal bypass shocks produce more force progressively to control hard bottom-outs, prevent harsh top-outs, and provide an initial catch for landing. Shock fluid bypasses the main piston through aseries of bleed holes in the ride zone. As the shock extends past the ride zone in rebound or compression, the bleed holes terminate, forcing fluid through the main piston. The Factory Race Series shocks also stay cool by utilizing a Recirculating Reservoir Bridge. The bridge circulates shock fluid between the finned external reservoir and body using checked ports. Type III anodization prevents corrosion and wear of the 3-inch diameter aluminum bodies.The DSC adjuster allows you to dial in your F-150 for load, environment, and driving style.FOX Internal Bypass shocks deliver the support and confidence you need while driving Mach-3 through rugged terrain. Experience race-bred performance next time you leave the pavement.\nApplication specific valving to maximize performance.\nUncompromised performance through FOX’s patented internal bypass technology delivers the feel of near-endless suspension travel. Exclusive internal bypass technology allows oil to flow around the piston at some points of the stroke – while creating humongous pressure at other points – supporting the vehicle like no other product can.\n\nFloating through terrain is accomplished with FOX’s ride zone – combining a race-developed shock piston, internal bypass and Dual Speed Compression adjustment – allowing fine tuning for weight, terrain and speed.\n\nDominate any terrain with the brute strength of 3- and 2.5-inch aluminum bodies, cactus cooler reservoirs and 7\/8” shafts with redundant seals, all proven in the harshest of environments under the toughest of conditions.\n\u003cul\u003e\n  \u003cli\u003eFinned External Reservoir System Dissipates Heat Fast\u003c\/li\u003e\n  \u003cli\u003eBlack Anodized CNC Machined Aluminum Components\u003c\/li\u003e\n  \u003cli\u003eQuick Switch Compression And Rebound Adjusters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade the rear suspension of your 2021 and newer Ford F-150 with FOX Factory Race Series 3.0 Internal Bypass piggyback shocks. Part Number FOX883-26-121 is engineered for trucks with a 0-1 inch lift and uses application-specific valving to provide controlled damping across changing terrain, vehicle loads, and driving conditions. The bolt-on design delivers race-developed performance without requiring extensive suspension modifications.\u003c\/p\u003e\u003cp\u003ePatented FOX Internal Bypass technology creates multiple damping zones throughout the shock stroke. In the ride zone, fluid flows through calibrated bleed passages for a controlled, comfortable response. As the shock moves farther into compression or rebound, those passages close and force fluid through the main piston, progressively increasing damping to help manage hard bottom-outs and reduce harsh top-outs. Dual Speed Compression adjustment allows the damping response to be fine-tuned for cargo, terrain, and driving style.\u003c\/p\u003e\u003cp\u003eThe Factory Race Series construction is designed for demanding off-road use. A recirculating reservoir bridge moves fluid between the shock body and finned external reservoir to help dissipate heat during extended operation. Type III anodized aluminum bodies resist corrosion and wear, while 7\/8-inch shafts and redundant seals provide durability in harsh environments. Quick-switch compression and rebound adjusters make trail-side tuning straightforward.\u003c\/p\u003e\u003cp\u003eThese FOX shocks fit the rear of the 2021 and newer Ford F-150, including applications listed by FOX for the 2021 and 2022 model years. Verify the exact truck configuration and suspension setup before installation. The package includes the FOX rear shock components required for the specified application; installation hardware and documentation are supplied according to the manufacturer’s kit configuration.\u003c\/p\u003e\u003ch3\u003eKey Product Specifications and Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: FOX\u003c\/li\u003e\n\u003cli\u003ePart Number: FOX883-26-121\u003c\/li\u003e\n\u003cli\u003eSeries: Factory Race Series\u003c\/li\u003e\n\u003cli\u003eShock Type: 3.0 Internal Bypass piggyback rear shock\u003c\/li\u003e\n\u003cli\u003eVehicle Fitment: 2021+ Ford F-150\u003c\/li\u003e\n\u003cli\u003eLift Compatibility: 0-1 inch\u003c\/li\u003e\n\u003cli\u003eAdjustment: Dual Speed Compression with compression and rebound adjusters\u003c\/li\u003e\n\u003cli\u003eConstruction: Anodized aluminum body, finned external reservoir, 7\/8-inch shaft, and redundant seals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFOX Factory Race Series rear shock components for the specified Ford F-150 application\u003c\/li\u003e\n\u003cli\u003eManufacturer-supplied installation components and documentation, as applicable to the kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInternal Bypass Damping: Patented multi-zone damping technology delivers a controlled ride in the ride zone and progressively increases support during deep compression and rebound.\u003c\/li\u003e\n\u003cli\u003eDual Speed Compression Adjustment: Allows the shock response to be tuned for vehicle load, terrain, speed, and driving style.\u003c\/li\u003e\n\u003cli\u003eRecirculating Reservoir Bridge: Circulates fluid between the shock body and finned external reservoir to help manage heat during demanding off-road driving.\u003c\/li\u003e\n\u003cli\u003eRace-Ready Construction: Anodized aluminum bodies, 7\/8-inch shafts, redundant seals, and application-specific valving provide durable performance for rugged terrain.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2021 Ford F-150 King Ranch\u003cbr\u003e\n2021 Ford F-150 Lariat\u003cbr\u003e\n2021 Ford F-150 Limited\u003cbr\u003e\n2021 Ford F-150 Platinum\u003cbr\u003e\n2021 Ford F-150 Police Responder\u003cbr\u003e\n2021 Ford F-150 Raptor\u003cbr\u003e\n2021 Ford F-150 SSV\u003cbr\u003e\n2021 Ford F-150 Tremor\u003cbr\u003e\n2021 Ford F-150 XL\u003cbr\u003e\n2021 Ford F-150 XLT\u003cbr\u003e\n2022 Ford F-150 King Ranch\u003cbr\u003e\n2022 Ford F-150 Lariat\u003cbr\u003e\n2022 Ford F-150 Limited\u003cbr\u003e\n2022 Ford F-150 Platinum\u003cbr\u003e\n2022 Ford F-150 Police Responder\u003cbr\u003e\n2022 Ford F-150 Raptor\u003cbr\u003e\n2022 Ford F-150 SSV\u003cbr\u003e\n2022 Ford F-150 Tremor\u003cbr\u003e\n2022 Ford F-150 XL\u003cbr\u003e\n2022 Ford F-150 XLT\u003cbr\u003e\n2023 Ford F-150 King Ranch\u003cbr\u003e\n2023 Ford F-150 Lariat\u003cbr\u003e\n2023 Ford F-150 Limited\u003cbr\u003e\n2023 Ford F-150 Platinum\u003cbr\u003e\n2023 Ford F-150 Police Responder\u003cbr\u003e\n2023 Ford F-150 Raptor\u003cbr\u003e\n2023 Ford F-150 SSV\u003cbr\u003e\n2023 Ford F-150 Tremor\u003cbr\u003e\n2023 Ford F-150 XL\u003cbr\u003e\n2023 Ford F-150 XLT\u003cbr\u003e\n2024 Ford F-150 King Ranch\u003cbr\u003e\n2024 Ford F-150 Lariat\u003cbr\u003e\n2024 Ford F-150 Platinum\u003cbr\u003e\n2024 Ford F-150 Police Responder\u003cbr\u003e\n2024 Ford F-150 Raptor\u003cbr\u003e\n2024 Ford F-150 Raptor R\u003cbr\u003e\n2024 Ford F-150 SSV\u003cbr\u003e\n2024 Ford F-150 STX\u003cbr\u003e\n2024 Ford F-150 Tremor\u003cbr\u003e\n2024 Ford F-150 XL\u003cbr\u003e\n2024 Ford F-150 XLT\u003cbr\u003e\n2025 Ford F-150 King Ranch\u003cbr\u003e\n2025 Ford F-150 Lariat\u003cbr\u003e\n2025 Ford F-150 Platinum\u003cbr\u003e\n2025 Ford F-150 Police Responder\u003cbr\u003e\n2025 Ford F-150 Raptor\u003cbr\u003e\n2025 Ford F-150 SSV\u003cbr\u003e\n2025 Ford F-150 STX\u003cbr\u003e\n2025 Ford F-150 Tremor\u003cbr\u003e\n2025 Ford F-150 XL\u003cbr\u003e\n2025 Ford F-150 XLT\u003cbr\u003e\n2026 Ford F-150 King Ranch\u003cbr\u003e\n2026 Ford F-150 Lariat\u003cbr\u003e\n2026 Ford F-150 Platinum\u003cbr\u003e\n2026 Ford F-150 Police Responder\u003cbr\u003e\n2026 Ford F-150 Raptor\u003cbr\u003e\n2026 Ford F-150 SSV\u003cbr\u003e\n2026 Ford F-150 STX\u003cbr\u003e\n2026 Ford F-150 Tremor\u003cbr\u003e\n2026 Ford F-150 XL\u003cbr\u003e\n2026 Ford F-150 XLT\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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