Spec Clutch STC633 Stage 3 Performance Pressure Plate

The SPEC STC633 is a high-performance Stage 3 clutch pressure plate designed for Toyota applications equipped with the 1JZ-GTE engine, including the Chaser, Soarer, and Supra. This pressure plate is sold as an individual component for custom clutch builds or as a replacement for existing SPEC Stage 3 clutch kits.

Key Features:

• High-clamp pressure plate design for increased torque capacity
• Modified diaphragm with special heat treating process for enhanced strength
• Upgraded pressure ring and reinforced straps and rivets
• Stock cover design for compatibility with stock or aftermarket flywheels
• Provides approximately 15-20% increased clamping force over stock pressure plates
• Designed for street and race applications requiring aggressive engagement

Applications:

• Street performance driving
• Drag racing
• Autocross
• Pulling competitions
• Road racing and drifting

This pressure plate is intended to be paired with a compatible Stage 3 clutch disc (sold separately) featuring carbon semi-metallic friction material. SPEC Stage 3 components are engineered for high-powered street or race vehicles that demand high torque capacity while maintaining manageable engagement characteristics. The STC633 uses a stock cover piece to ensure proper fitment, but features upgraded internal components including a specially heat-treated diaphragm and reinforced pressure ring for superior holding power.

Note: This is a pressure plate only. Clutch disc, throw-out bearing, and alignment tool are sold separately. Professional installation is recommended.