Hays Steel Flywheels are manufactured from certified billet material that will not break up under the stress of high RPM and severe punishment of racing. All Hays flywheels are certified S.F.I. spec 1.1. This 168 tooth flywheel fits the external balance 4.3/5.0/5.7 liter Chevy, 1986 to 1993 models with a one piece real main seal. The flywheel is drilled for 10.5 in Borg-Beck diaphragm, 11 in Borg-Beck diaphragm, long style and Mark XII clutches. It's weighs 30 lbs. Flywheel bolts included. Other applications available.
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