Pro Race Harmonic Balancer Chevy V8 400 External Balance

Pro Race Performance Products 6.75" externally balanced Pro/Street Series harmonic balancer. Non SFI.

• For 400 and most 383 SBC externally balanced stroker engines
• Small Block Chevy
• Precision machined from nodular iron much stronger than oem, stock.
• Outer ring and hub are bonded together to prevent slippage
• Correct crank bore for proper fit to crankshaft
• Outside Diameter: 6.75 in
• High gloss steel finish with black timing marks plus marks at every 90°
• Non-SFI
• MPN: 21266