Elka 2.5 Off-Road Coilover Piggyback Shock w/ Preload Adjusters 6 in. Travel (20105)

When the vehicle gets heavier, the terrain gets rougher, and the speeds start climbing, small shocks stop pretending real fast.

The Elka 2.5 Off-Road Piggyback Coilover was built for serious prerunners, race-inspired trucks, fabricated off-road builds, Ultra4-style rigs, and aggressive desert vehicles that demand more oil volume, more damping control, more tuning authority, and more resistance to heat and fade under sustained abuse.

This is not entry-level suspension hardware. This is serious off-road equipment designed for people who actually push their vehicles hard enough to expose weak suspension setups.

Specs & Details

• Brand: Elka Suspension
• SKU: 20105
• Product Line: 2.5 Off-Road Shock
• Shock Type: Coilover
• Shock Model: 2.5 in. Off-Road Piggyback Shock, 6 in. Travel
• Reservoir Type: Piggyback
• Body Diameter / Material: 56mm Aluminum
• Travel: 5.98 in.
• Extended Length: 20.2 in.
• Compressed Length: 14.21 in.
• Max Spring Space: 14.17 in.
• Single Rate Spring Length: 14 in. in.
• Dual Rate Spring Length: 6 in. + 8 in. in.
• Adjustment Package: Preload Adjustment
• Rebuildable Design: Yes
• Fully Tunable / Revalveable: Yes
• Unit of Sale: Each
• Shipping Weight: 18 lb
• Shipping Dimensions: 40 x 12 x 16 in.

Available Setup Options

Depending on your build, packaging constraints, and intended terrain use, additional setup options may be available. These are not self-serve dropdown options because serious race suspension should not be guessed into existence from a menu.

• Bumper option
• Piggyback head orientation options
• Piston bleed options
• Racing piston option
• Viton seal option
• 3.75 in. spring conversion
• Raised spring clip

After purchase, an iShock suspension technician will contact you directly to review your chassis layout, vehicle weight, intended use, suspension geometry, mounting setup, and tuning goals before the final setup is confirmed.

Built For Real Off-Road Abuse

This shock was designed for repeated hard impacts, high-speed desert terrain, rough chop, technical trails, fabricated chassis builds, and aggressive off-road driving where suspension performance actually matters.

Universal / Fabrication Notice

This is a universal off-road shock intended for custom applications. Mounting tabs, spring selection, suspension geometry, clearances, reservoir routing, and installation requirements are the responsibility of the installer or chassis builder.

Why Buy Elka From iShock?

iShock is an official Elka USA Service & Warranty Center with decades of hands-on suspension tuning, rebuilding, service, and technical support experience.

We work directly with Elka Suspension not only as a dealer, but also as a long-term technical and R&D support partner. Elka USA even operates from the same complex as iShock, giving us direct access to factory-level communication, faster support, and an unmatched working relationship that benefits our customers before and long after the sale.

When you buy from iShock, you are getting real suspension knowledge and support from people who work with Elka products every day.