Skunk2 Racing Ultra Series Stage 1 Camshafts

2020–2026 Toyota GR Supra / 2019+ BMW Z4 B58

305-14-1000

Overview:

The Skunk2 Ultra Series Stage 1 Camshafts are precision-engineered performance components designed specifically for the 2020 to 2026 Toyota GR Supra (MK5) and 2019 and newer BMW Z4 models equipped with the B58 engine. These camshafts offer a significant upgrade over the factory units, delivering improved valve timing and lift characteristics that enhance engine breathing and overall performance.

Ideal for enthusiasts seeking to increase horsepower and torque without sacrificing daily drivability, these camshafts provide a balanced powerband suited for street and spirited driving. Whether you're upgrading your Supra or Z4 for track days or simply want a more responsive and engaging driving experience, the Ultra Series Stage 1 camshafts offer reliable performance gains with Skunk2’s renowned quality.

Key Features:

Skunk2’s Ultra Series Stage 1 Camshafts incorporate advanced design and manufacturing techniques to optimize engine output and throttle response. Key features include:

• Precision CNC-ground cam profiles tailored for the B58 engine to improve valve lift and duration.
• Stage 1 specification focused on enhancing low to mid-range torque and horsepower for daily driving and light track use.
• Constructed from high-grade materials to ensure durability and long service life under performance conditions.
• Designed to work seamlessly with factory valve springs and retain OEM reliability.
• Improves throttle response and engine sound without compromising smooth operation.
• Direct bolt-on replacement for factory camshafts, maintaining OEM fitment and function.
• Developed to complement other Skunk2 performance upgrades for the B58-powered Supra and Z4.

Construction & Design:

These camshafts are manufactured using high-quality steel alloys and precision CNC machining to achieve exacting tolerances. The Ultra Series Stage 1 cams feature optimized lobe profiles that enhance valve timing for improved airflow and combustion efficiency. Skunk2’s engineering ensures that these camshafts maintain OEM reliability while delivering noticeable performance improvements.

The design focuses on a balance between increased lift and duration without requiring additional modifications such as upgraded valve springs or extensive tuning. This approach allows for a straightforward installation and dependable operation under both street and light track conditions.

Installation & Fitment:

The Ultra Series Stage 1 Camshafts are a direct fit for the 2020–2026 Toyota GR Supra MK5 and 2019+ BMW Z4 models equipped with the B58 engine. Installation uses existing factory mounting points and hardware, ensuring a straightforward swap without the need for cutting, drilling, or special tuning.

• Direct bolt-on replacement for factory camshafts.
• No modifications to valve springs or other valvetrain components required.
• Compatible with stock engine management systems.

What's Included:

• Set of Skunk2 Ultra Series Stage 1 Camshafts for intake and exhaust.
• Installation instructions and hardware as needed.

Ideal For:

This camshaft upgrade is perfect for enthusiasts who want to enhance the performance of their Toyota GR Supra or BMW Z4 without compromising daily drivability. It suits:

• Street drivers seeking improved throttle response and mid-range power.
• Performance enthusiasts looking for a reliable upgrade for occasional track use.
• Owners planning complementary bolt-on modifications such as intake and exhaust upgrades.
• Those who prefer a balanced power increase without sacrificing engine smoothness or longevity.

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.