RAM Clutches 1521LW Steel Flywheel 25 lbs.

Steel flywheel Chevrolet pre-90 '454' balance 168 tooth RAM lightweight billet steel flywheels deliver the uncompromising performance, reduced rotating mass and quicker engine response required for modern street performance applications. Each lightweight flywheel is precision machined, surface ground, and dynamically balanced to exacting tolerances, ensuring a perfect fit right out of the box. The optimized mass profile enhances throttle response and improves acceleration for both street and track environments when your application calls for it. Designed for performance enthusiasts, engine builders, and swap specialists, RAM steel flywheels feature a serviceable ring gear and meet all SFI safety specifications. Application specific options support popular engine swap platforms—including LS, LT, Coyote, and Hemi—as well as Tremec transmission conversions. Whether upgrading for street performance, track use, or a custom build, RAM delivers the premium flywheel solution trusted by professionals. RAM lightweight billet steel flywheels are engineered and manufactured in the USA. When only the best will do- Choose RAM Fits Chevrolet applications to 1990 Center hole diameter 2.489 (2 pc rear main seal) '454' balance 168 tooth ring gear Clutch bolt patterns: