Skunk2 Racing High Lift Valve Spring & Titanium Retainer Set

2020–2026 Toyota GR Supra MK5 / BMW B58 & S58 Engine

Part #: 313-14-1000

Overview

The Skunk2 Racing High Lift Valve Spring & Titanium Retainer Set is engineered specifically for the 2020 to 2026 Toyota GR Supra MK5, equipped with the BMW B58 and S58 engines. Designed for enthusiasts and professional tuners seeking to maximize engine performance, this valve spring and retainer kit supports higher lift camshafts and aggressive tuning without compromising reliability. By upgrading the valve train components, it enables improved valve control at elevated RPMs, reducing valve float and enhancing overall engine responsiveness.

This set is ideal for drivers who demand more from their Supra’s powerplant, whether on the track or during spirited street driving. It provides a solid foundation for performance modifications that require increased valve spring pressure and durability under high-stress conditions.

Key Features

Skunk2 Racing’s valve spring and retainer set incorporates advanced engineering to deliver superior performance and durability. Key features include:

• High lift valve springs designed to handle increased camshaft lift and aggressive valve timing
• Lightweight titanium retainers that reduce valvetrain mass for improved throttle response and higher RPM capability
• Precision wound springs for consistent spring pressure and long-lasting durability
• Optimized spring rates to prevent valve float during high RPM operation
• Direct fitment for 2020–2026 Toyota GR Supra MK5 with BMW B58 and S58 engines, ensuring hassle-free installation
• Manufactured to meet or exceed OEM specifications for reliability and performance
• Compatible with aftermarket camshafts and performance upgrades

Construction & Design

The valve springs are crafted from high-quality spring steel, engineered to withstand the rigors of high-performance use while maintaining consistent tension and durability. The titanium retainers are precision machined to reduce weight significantly compared to standard steel retainers, lowering the reciprocating mass of the valvetrain. This reduction in mass helps the engine rev more freely and reduces stress on valve train components.

Skunk2 Racing applies rigorous quality control and advanced manufacturing techniques to ensure each component meets strict tolerances. The combination of premium materials and expert design results in a valve spring and retainer set that balances strength, weight savings, and reliability for demanding performance applications.

Installation & Fitment

This valve spring and retainer set is a direct replacement for the factory components on the 2020–2026 Toyota GR Supra MK5 equipped with the BMW B58 or S58 engine. Installation requires standard valve train disassembly and reassembly, typically performed by experienced mechanics or professional tuners. No major modifications are necessary, but proper valve spring compressor tools and attention to detail are essential to ensure correct installation and optimal performance.

It is recommended to verify compatibility with other engine modifications and camshaft profiles before installation to ensure the best results and avoid potential interference or fitment issues.

What's Included

• High lift valve springs (set quantity for all valves)
• Titanium valve retainers matching the spring set
• Installation instructions

Ideal For

This valve spring and retainer set is perfect for Supra MK5 owners and tuners who are upgrading camshafts, increasing engine RPM limits, or enhancing overall engine performance. It suits track enthusiasts, professional racers, and performance street drivers who require reliable valve control under demanding conditions. The set supports aggressive tuning and helps unlock the full potential of the B58 and S58 engines in the Toyota GR Supra MK5 platform.

Skunk2 Racing is a manufacturer of aftermarket performance parts, specializing in components such as intake manifolds, throttle bodies, camshafts, and suspension systems for Honda and Acura vehicles. Their products are designed to enhance engine performance and handling, catering to enthusiasts seeking reliable and effective upgrades for street and track applications.