The Clutch Masters Steel Flywheels FW-971-SF is a high-quality, durable flywheel designed for use in high-performance vehicles. It is made from heavy-duty steel, which provides superior strength and durability compared to other materials. The flywheel is precision-machined to ensure a perfect fit and smooth operation. It features a lightweight design, which reduces rotational mass and improves throttle response. The Clutch Masters Steel Flywheels FW-971-SF is compatible with a variety of clutch types and is an ideal choice for those looking to upgrade their vehicle's performance.