• Vehicle Application: GM, Chevrolet
• Vehicle Years: 1955-1985 SBC, 1963-1972 BBC
• Ring Gear: 153 Tooth
• Rear Main Seal Style: 2 Piece
• Flywheel Material: Forged Billet Steel
• Flywheel Balance: Internal Balanced, also called Neutral Balanced
• Flywheel Weight: 25 lbs
• Clutch Disc Size: 10.5″
• Clutch Pressure Plate Styles: Diaphragm,Borg & Beck
• SFI Safety Rated: SFI Certified 1.1

Discover more about choosing an aluminum flywheel versus a steel flywheel by reading our blog article “Choosing an Aluminum Versus Steel Flexplate or Flywheel.