Formula S (HD) Leaf Springs

The A-Body Guy said

... I know the 892 & 893 are correct ‘build codes) for heavy duty (340 / 383) formula s cars...

Click to expand...

383 torsion bars and front sway bar are thicker on "68" 383 Formula S Barracudas than 340 Formula S Barracudas.

.89 diameter torsion bars and .94 front sway bar on my 68 Formula S automatic Barracuda.