Action Clutch ACR-0481 Ironman Unsprung Sintered Iron Clutch Kit B18 VTEC

The Action Clutch Ironman Unsprung kit is engineered specifically for dedicated high powered race vehicles, delivering durability and reliable performance. It features our American Sintered Iron friction material with our Dual clamp load heavy-duty pressure plate that ensures maximum torque holding capacity. This professional-grade clutch system delivers 250% increased holding capacity over factory specifications, making it capable of handling 550+ horsepower in extreme racing conditions.

Key Features:

• Unsprung American Sintered Iron friction disc for maximum durability
• Dual clamp load heavy-duty pressure plate design
• 250% increased torque holding capacity over stock
• Tested and proven to handle 550+ horsepower
• SFI Spec 1.1 certified for competitive racing
• Aggressive clutch engagement with an on/off feel, without introducing clutch chatter
• Quality checked and signed off by experienced engineers

What's Included:

• Unsprung American Sintered Iron clutch disc
• Dual clamp load HD pressure plate
• Pilot bearing or bushing (when applicable)
• Clutch alignment tool
• Conventional release bearing

Important Performance Characteristics:

Some light engagement noise and gear rattle may be experienced during operation due to the nature of the product. The aggressive engagement provides immediate power transfer with heavy pedal feel. A proper break-in period of 500 street miles is required, keeping RPMs under 4,500 and using no more than half-throttle to ensure longevity and optimal performance.

Critical Application Notice:

This kit is not intended for street use and should only be used in race applications. Unsprung clutch kits are not designed for daily/street use or any constant on/off engagement environment. Using this unsprung clutch kit on stock or lightly modified street-driven vehicles can result in premature hub rivet failure. For street use, consider the Ironman Sprung (Street) version ACR-0481-SPR instead.