Spec Clutch SU303H Stage 2 Plus Performance Clutch Kit

The Spec Clutch SU303H Stage 2 Plus Clutch Kit is engineered for modified engines that have outgrown the torque capacity of a standard Stage 2 clutch. Bridging the gap between the Stage 2 and Stage 3, this kit delivers the familiar, street-friendly engagement feel of the Stage 2 while providing a 15–20% higher torque capacity — making it ideal for enthusiasts who want real performance gains without sacrificing daily drivability.

Key Features:

• Multi-friction composite disc in a full-faced configuration — carbon semi-metallic on one side and Kevlar® on the other for optimal wear characteristics and friction performance
• High-clamp pressure plate for increased torque holding capacity over the stock and Stage 2 units
• High-torque sprung hub and disc assembly — double-sprung with spring cover reliefs for flexibility and heat-treated components for long-term strength and durability
• Bearing and alignment tool kit included for a complete, straightforward installation
• Excellent wear characteristics for extended service life under demanding conditions

Intended Use: Street, Drag Racing, Road Racing, Rally, Autocross, Pulling

The Stage 2 Plus is the smart upgrade for performance-oriented street drivers and competitors who need more torque capacity than a Stage 2 can handle, without crossing into the more aggressive engagement of a Stage 3. Every Spec clutch kit is SFI approved and built to meet the demands of real-world performance driving.