Dirt King Prefab Bed Cage for 2019–2025 Chevy/GMC Chevy/GMC 1500 – DK-636828

Serious rear travel needs serious structure.

If you're building a real long‑travel rear suspension, a bed cage isn't optional — it's the foundation. The Dirt Prefab Bed Cage is designed to properly support long‑travel rear shocks, control suspension loads, and give your truck the strength it needs when the terrain turns violent.

Part Number: DK-636828

Performance & Fitment Specs

• Recommend Leaf Pack: Deaver R81
• Recommend Shock Length: 16" (26" collapsed, 42" extended)
• Works with 14" shocks with extended rod ends but will limit travel.
• Recommended Shock Diameter: 3.0" (works with 2.5"-3.5" shocks)
• Bypass Tube Layout: Bypass tubes on front and back of shocks
• Bed cage Shock Mounting Width: 1.5"
• Axle Width Requirement: Requires 1.5"-2" wheel spacers or 1.5"-2" wider per side axle
• Accessory Mounting Hole Size: 1/2"
• What's Included
• Prefabbed bed cage structure
• Grade 8 mounting hardware
• Installation instructions
• CAD designed

Why This Design Works

• Provides proper shock mounting structure for long travel rear suspension performance.
• Improves rear shock stability and packaging versus narrow inboard layouts.
• Built for high-speed desert runs and hard trail use where mounting strength matters.

Construction & Materials

• Boxed plate and tube construction
• 2"x.120" tubing
• 1/4", 3/16", and 1/8" plate
• Professionally MIG welded
• Proudly made in the USA
• CAD designed
• Boxed plate and tube construction
• 2"x.120" tubing
• 1/4", 3/16", and 1/8" plate
• Professionally MIG welded
• Proudly made in the USA

What's Included

• Prefabbed bed cage structure
• Lower shock mounts
• Grade 8 mounting hardware
• Installation instructions

Shock Pairing

This bed cage works with a wide range of long travel rear shocks. iShock can help you spec the correct shock travel, length, and valving for your build and terrain — and we can build a complete rear package when needed.

Why Buy From iShock

iShock is a factory-authorized suspension sales, service, and installation center with decades of real-world suspension experience. If you're building a complete long travel suspension system, we’ll help you choose the right shocks and supporting components so everything works together — not just fits together.