The Enginetech C506C is a replacement timing chain for 1987-2002 Isuzu, AM General, Buick, Cadillac +4 more 4.3L, 5.0L, 5.7L.405" wide sprockets. Engines with roller camshaft engines, restoring cam timing accuracy and reducing valvetrain slack.

Enginetech C506C Timing Chain Features:

• Fitment: GM/Chevrolet, 262 ci, 305 ci, 350 ci
• Engineered to OE specifications for direct replacement
• Note: Engine VIN code R.405" wide sprockets. Engines with roller camshaft. Engine VIN code 6,8. For engines with roller camshaft. Engine VIN code B,N. Engines without balance shaft. Engines with roller follower camshaft. Except Z79 Typhoon. Engine VIN code Z.