Stage X Turbosmart Internal Wastegate Actuator

The Turbosmart internal wastegate actuator is an upgrade for Stage X Precision Subaru turbochargers, giving sharper boost response, better stability and long-term reliability under the demands of high-performance Subaru engines.

Key features

• Direct fit for Stage X Precision Subaru turbochargers
• CNC-machined billet aluminium construction for strength and durability
• High-temperature silicone-Nomex diaphragm for consistent boost control under extreme heat
• Locking-collar design for fast, simple spring changes
• Easily adjustable boost: change springs to fine-tune different boost pressures
• Swivel banjo fitting for flexible, tidy boost reference line routing
• Wide spring range (3–26 psi) for precise tuning
• Supplied fitted with 3 springs: Blue (10 psi), Purple (7 psi) and Brown (5 psi)

Performance

Built with Turbosmart motorsport-grade components, this actuator gives more precise boost control than factory units, eliminating boost creep, improving spool-up and maintaining consistent power. Paired with Stage X Precision turbochargers, it supports smoother, more responsive performance across the rev range.

Suitable for road, rally or track set-ups.