This 1963 SBC 327 Chevy GM Flywheel with part number 3791021 is a high-performance part that is compatible with 10.5 inch clutch and has 153 teeth with a ring gear outside diameter of 12.75 inches. Its material is steel and it is a vintage part that was superseded by the 1963 Corvette 4 Speed Flywheel. This flywheel is perfect for manual transmission type and it is interchangeable with the 1963 Corvette 4 Speed Flywheel. Dated B-6-3 February 6th 1963. #880M

GOOD CONDITION. RING GEAR GOOD CONDITION. CLUTCH SURFACE IS NICE BUT RECOMMEND TO HAVE RESURFACED.