Ram Clutches 1523LW Chevy Pre-86 '400' Balance 168 Tooth Flywheel

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
• Center hole diameter 2.489 (2 pc rear main seal)
• '400' balance
• 168 tooth ring gear
• Clutch bolt patterns: GM 10.5", 11" clutches with 11.625", 12.625" bolt circles 3/8-16 thread, Ford Long Style 11" clutches with 12.375" bolt circle, 3/8-16 thread
• .750" thickness crank flange to friction surface
• 25 pounds
• Meets SFI 1.1 specifications
• Made in the USA