Force 9.5 dual disc 900 series Chevrolet pre-86 SB/BB 0 balance 1 1/8-26 spline 153 tooth (also 572 crate engines).
- 9.5 x 1 1/8-26 spline
- ‘0’ balance aluminum flywheel 153 tooth
- 900 series sprung top disc, solid center bottom disc
- Strap driven floater plate
- For applications up to 800 hp