ACT 4-Puck Solid Hub Race Disc

4224004 is a 4-pad rigid race disc made with high-quality, ceramic friction materials. The disc engagement is harsher, but shifting is faster. The race disc features top-grade rivets to securely fasten the part together. The rivet design and materials are carefully selected for maximum strength.

The 4-pad rigid race disc is well-suited for the smaller disc sizes in smaller engines.

Features

• Feel: Aggressive engagement, quickest shifts, increased gear rattle
• Life: Premium ceramic friction materials provide moderate wear rates and high heat tolerance, rigid design may increase spline wear
• Quality: Lightweight rigid design, Chromoly hub is heat-treated for strength and durability
• Recommended Use: Recommended for race use only
• ACT Difference: High burst strength and holds 28% more torque than typical organic materials

Please Note: Recommended for race use only