DJM Suspension F250/F350 Rear Shock - 4 inch Drop - 1987-1997 Ford F-Series
DJM Suspension F250/F350 Rear Shock - 4 inch Drop - 1987-1997 Ford F-Series is backordered and will ship as soon as it is back in stock.
Shipping & delivery
Usually ships in 2–3 business days unless a different lead time is shown on this page. Shipping cost is calculated at checkout (UPS or USPS to the contiguous U.S.).
Shipping policy · Returns · Fitment questions? (561) 207-7988
Delivery and Shipping
Delivery and Shipping
Standard order processing is 2–3 business days unless this product or your order confirmation states a different lead time. Custom-built, made-to-order, backorder, and pre-order items follow their stated lead times.
Enclosures and subwoofer boxes ship for $50 per unit. Other shipping charges are calculated at checkout. Orders outside the contiguous 48 United States may require additional shipping; we will contact you for approval before shipment.
Subwoofer boxes ship UPS Ground where available. Read our Shipping Policy and Return and Refund Policy for delivery, product-specific return windows, and warranty details.
DJM Suspension F250/F350 Rear Shock - 4 inch Drop - 1987-1997 Ford F-Series is backordered and will ship as soon as it is back in stock.
Description
Description
Genuine DJM Calmax SuperShock – Rear (20.5″ Loop / Loop)
Designed specifically for lowered and performance trucks, the DJM Calmax SuperShock delivers controlled damping, improved ride quality, and long-term durability for properly dropped suspension setups. This shock is engineered to work with 4" rear-lowered 2WD Super Duty trucks, maintaining proper travel without bottoming out or over-extension.
Built using a twin-tube, nitrogen-charged design, Calmax SuperShocks provide a smooth, predictable ride while handling the geometry changes that come with lowering your truck.
🔥 Key Features:
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Twin-Tube Nitrogen Charged – Reduces shock fade and improves consistency
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Designed for Lowered Trucks – Proper valving for dropped suspension setups
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Loop / Loop Mount Style – Direct fit for compatible rear applications
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Sold Individually – Order quantity of two for a complete rear setup
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Genuine DJM Suspension Component
📏 Shock Specifications:
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Extended Length: 20.5″
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Collapsed Length: 12.75″
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Mount Style: Loop / Loop
🚗 Application Fitment:
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1987–1998 Ford F-250
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1987–1998 Ford F-350
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Rear – 2WD
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Designed for 4″ Rear Drop
⚠️ Installation Notes:
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Intended for use on lowered suspension setups only
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Verify mount style and drop height before ordering
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Professional installation recommended
Finish your lowering setup correctly with the Genuine DJM Calmax SuperShock — engineered to keep your dropped Super Duty riding smooth, controlled, and predictable.
Fitment & installation
Fitment & installation
Check the selected part against your vehicle. Need help? Call (561) 207-7988.
Selected part: 2100
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Read FOX’s application notes for part 987-24-001 (rear shock)
Payment & Security
Payment methods
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