Part number (700170) is a steel 153 Tooth GM/Chevy flywheel for use with 1986 and newer engines with 1 piece rear main seals. It features a 153 tooth ring gear and weighs approximately 31Lbs. with a 12.75' diameter. Our steel flywheels are manufactured from billet steel. and caries a SFI 1.1 safety rating. They are CAD/CAM-designed and CNC-machined from billet steel for precise, no-hassle,bolt-in installation.
NOTE: Late model GM 4.3 V6 with an aluminum oil pan must use flywheel CF700160 and will require starter 22-0001. Does not fit LS engines.