Spec Clutch SD363F Stage 3 Plus Performance Clutch Kit

The Spec Clutch SD363F Stage 3 Plus is the flagship performance clutch kit designed for heavily modified street and race engines that have exceeded the torque capacity of the standard Stage 3. It delivers a superior balance of high torque handling and real-world drivability, making it an ideal choice for drivers who demand competition-level performance without sacrificing daily manageability.

Unlike the Stage 3's segmented puck disc, the Stage 3 Plus features a full-faced carbon semi-metallic friction disc that provides outstanding friction coefficient, exceptional wear life, and smooth, predictable engagement in a single package. The high-torque hub is double-sprung with spring cover reliefs for added flexibility, and all hub components are heat-treated for long-term strength and durability.

Kit Includes:

• High-clamp performance pressure plate
• Full-faced carbon semi-metallic friction disc
• High-torque double-sprung hub and disc assembly
• Release bearing
• Installation tool kit

Ideal Driving Applications:

• Street / Daily Driving
• Drag Racing
• Drifting
• Road Racing
• Pulling

Spec clutches are manufactured and developed for specific driving environments under strict tolerances, and every Spec clutch kit and flywheel is SFI approved. The Stage 3 Plus is the top-tier street/strip stage before transitioning into full race-only configurations.