Model: SBC/BBC Engine SERIES GM SBC 1955-1985 GM BBC 1963-1969 153 TOOTH, 19 LBS.  NOT SFI CERTIFIED

GForce Part No. # 153105DSI

Vehicle Application…………….: GM , Chevrolet

Vehicle Years……………………: 1955 – 1985 SBC

Additional Vehicle Years……..: 1965 – 1969 BBC

 Ring Gear………………………..: 153 Tooth       OEM Replacement Flywheel

Rear Main Seal Style………….:   2 Piece

Flywheel Material………………: Ductile Iron , Not For Racing …

Flywheel Balance………………: Internal Balanced , also called , Neutral Balanced

Flywheel Weight………………..: 19 lbs.

Clutch Disc Size………………..: 10.5” inch

Clutch Pressure Plate Style….: Diaphragm and Borg & Beck Styles

SFI Safety Rated……………….: NON-SFI