• Vehicle Application: GM, Chevrolet
• Vehicle Years: 1986-1999 SBC Engine Sizes 4.3L, 5.0L, 5.7L
• Ring Gear: 153 Tooth, with the Small Journal Crank Dia
• Rear Main Seal Style: 1 Piece
• Flywheel Material: Forged Billet Steel
• Flywheel Balance: External Balanced, also called Detroit Balanced
• Flywheel Weight: 34 lbs
• Clutch Disc Size: 10.5″
• Clutch Pressure Plate Styles: Diaphragm, Borg & Beck
• SFI Safety Rated: SFI Certified 1.1

You can read more on our blog Choosing an Aluminum Versus Steel Flexplate or Flywheel.