APR Springs
MPN: MS100267$130.45
Shipping & DeliveryShips from United States.
Ships from United States.
Want extra peace of mind? Even if a seller doesn't offer returns,
Motorsport Locker gives you the option to make any item returnable with Return Assurance at checkout.
Want extra peace of mind? Even if a seller doesn't offer returns,
Motorsport Locker gives you the option to make any item returnable with Return Assurance at checkout.
Motorsport Locker is 100% committed to ensuring that every sale ends in satisfaction—for both buyer and seller. Your payment is held until the item is delivered and approved. If it's not as described, you'll receive a full refund.
Every transaction is backed by our secure payment system. We hold funds until you confirm the item arrived in the promised condition—so you can shop worry-free.
Motorsport Locker is 100% committed to ensuring that every sale ends in satisfaction—for both buyer and seller. Your payment is held until the item is delivered and approved. If it's not as described, you'll receive a full refund.
Every transaction is backed by our secure payment system. We hold funds until you confirm the item arrived in the promised condition—so you can shop worry-free.
Overview
Description
The APR Stage 2 Spring Upgrade for Haldex is the hardware component that unlocks the full potential of APR’s AWD controller calibration for Gen 5 Haldex. Engineered as a direct replacement for the factory clutch pressure relief spring, this precision-calibrated upgrade enables significantly higher achievable clamping pressures under increased torque demand while maintaining OEM-level drivability and system integrity. When paired with APR Stage 2 software for Haldex, the upgraded spring supports dramatically increased clutch pressure during high-load conditions, improving torque transfer to the rear axle and delivering faster, more consistent AWD engagement during aggressive launches and performance driving. The result is improved traction, stronger launches, and enhanced confidence when putting power to the pavement. Unlike spring-only solutions that require disassembling and modifying the factory valve assembly, the APR Stage 2 hardware is engineered as a simple, direct replacement component minimizing installation complexity while preserving factory safeguards and control architecture. Designed to work seamlessly within the OEM Haldex control strategy, the APR Stage 2 Spring Upgrade completes a fully integrated drivetrain performance solution allowing increased torque capability without compromising daily drivability or long-term reliability.
Specs:
| Category: | Engine Components |
| Subcategory: | Valve Springs, Retainers |