Eibach ERS 12.00 in. Length x 3.00 in. ID Coil-Over Spring

SKU: 1200.300.0150S | UPC: 803050288097

Eibach ERS 12.00 in. Length x 3.00 in. ID Coil-Over Spring – 150 lb/in Rate

Eibach ERS 12.00 in. Length x 3.00 in. ID Coil-Over Spring (SKU 1200.300.0150S) fits universal 3-inch coil-over shock bodies for custom suspension setups. The 150 lb/in rate delivers consistent damping control for drag racing, circle track, autocross, and street applications. Built for reliable response under high loads, it maintains shape through repeated cycles.

Key Features

• Spring Rate: 150 lb/in provides balanced load support and sharp handling feedback in front or rear coil-over positions.
• Dimensions: 12.00 in. free length, 3.00 in. inside diameter, 3.375 in. outside diameter suits standard 3 in. shock tubes.
• Construction: Chrome silicon high-tensile steel shot-peened twice for fatigue resistance and 100% load tested.
• Ends: Squared and ground flat for secure perch seating and even stress distribution.
• Finish: Silver epoxy powder coat protects against rust and environmental damage.

Product Notes

• Confirm coil-over shock dimensions and rate needs before installation.
• Avoid extreme heat exposure over 250°F to preserve rate consistency.
• Packaged in sturdy box measuring 13 x 4 x 4 inches for safe transit.

Installation Notes

• Professional installation recommended.
• Requires 3.00 in. minimum ID shock body clearance.
• Compatible with standard Eibach or aftermarket perches; torque to spec.

This Part Fits

Year	Make	Model	Submodel
Universal	All	3 in. Coil-Over Shocks	Drag/Track/Street
Universal	All	Custom Builds	QA1/Bilstein/RideTech

Why Choose Eibach?

• Proven in NHRA, NASCAR, and global racing teams.
• Each spring dyno-tested for rate accuracy within 2% tolerance.
• German-engineered for precision tolerances and consistent performance.

Frequently Asked Questions

• Q: What vehicles or shocks does this spring fit?
  A: Universal design fits most 3.00 in. ID coil-over shocks from QA1, Bilstein, Fox, King, and custom setups for cars, trucks, race applications.
• Q: What material and finish does it have?
  A: High-tensile chrome silicon steel with dual shot-peening and silver powder coat for corrosion resistance and longevity up to 500,000 cycles.
• Q: What warranty coverage is provided?
  A: Limited lifetime warranty against manufacturing defects when installed and used per guidelines.

Shipping & Handling

• Method: UPS Ground
• Availability: In stock – ships same or next business day
• Packaging: Protective box, 13 x 4 x 4 in.
• Weight: 4.95 lbs