12% Off Old Man Emu Suspension

#1-Rated Toyota Bump Stop Kits

$250 Off SmartCap Evo Truck Caps

Shop Bilstein

B12 Rear Coil Springs in Black with 2.5 in Lift, 400 lb Load Rating, and 223 lbf/in Spring Rate for Toyota 4Runner (2003–2024) - Pair

Sale price$246.00

Corgrit Identification Code: C-BIL-E0MW9DRO

Earn 492 Entries Toward Our September Giveaway
Win Free Lights, Suspension, and Gear
2x Entries on Bilstein Purchases
Leave a Review to Unlock Your Entries
No Entry Limit. Learn More

Only 6 Left: Ships in 1 Business Day
FREE Shipping

Corgrit — The Bilstein B12 Rear Coil Springs are engineered to provide a 2.5-inch rear lift while improving suspension performance, handling, and load support on Toyota 4Runner models. Finished in a durable black coating, these performance springs feature a 400-pound load rating and a 223-pound-force-per-inch spring rate to deliver balanced ride quality, confident vehicle control, and dependable everyday performance.

Key Features

Provides 2.5 Inches of Rear Lift for Improved Ground Clearance
223 Pound-Force-per-Inch Spring Rate for Balanced Suspension Performance
400-Pound Load Rating for Increased Rear Load Support
Durable Black Finish for Long-Lasting Corrosion Resistance

Bilstein

Limited Lifetime Warranty Protection

Corgrit Coverage
Dedicated Assistance and Streamlined, No-Hassle Claims

Explore

Spring Specifications

Designed to complement Bilstein suspension systems, the B12 Rear Coil Springs provide additional rear ride height while improving suspension dynamics, load-carrying capability, and overall driving confidence.

Series
B12
Fits
4th-Gen Toyota 4Runner (2003–2009); 5th-Gen Toyota 4Runner (2010–2024)
Material
Steel
Color Family
Black
Finish Type
Gloss
Surface Treatment
Powder-Coated
Weight (lb)
23.30 lb
Rear Suspension Maximum Lift Height (in)
2.50 in
Rear Suspension Maximum Load Rating (lb)
400.00 lb
Minimum Spring Rate (lbf/in)
223.00 lbf/in
Maximum Spring Rate (lbf/in)
223.00 lbf/in
Part Number
36-281831
Included Components
(2) Coil Springs

Overview

The Bilstein B12 Rear Coil Springs are designed to improve rear suspension capability while providing a 2.5-inch lift for Toyota 4Runner models. Their vehicle-specific design enhances ride quality, handling, and rear suspension support without compromising everyday drivability.

Engineering

Engineered to provide approximately 2.5 inches of rear lift, these Toyota 4Runner B12 rear springs improve ground clearance, help level the vehicle, and create additional room for larger tire combinations and adventure-ready builds.

Dynamics

With a 223-pound-force-per-inch spring rate and a 400-pound load rating, the springs deliver responsive handling, controlled suspension movement, and dependable rear-end support across a wide variety of driving conditions.

Durability

Manufactured to Bilstein's demanding quality standards, the rear coil springs feature a durable gloss-black powder-coated finish that helps resist corrosion while ensuring reliable long-term performance for daily driving and off-roading.

Performance

Whether supporting additional cargo, complementing rear Bilstein shocks, or completing a suspension upgrade, the Bilstein B12 Rear Coil Springs provide the ideal combination of ride quality, load capacity, and lasting durability.