- External Balance Chevrolet 2.488" Standard Crank
- Big Block Gen IV 454 External Balance
- 168 Tooth
- SFI 29.2 Certified
- Superior in Strength
- 0.1875” Thick Chromoly Center Blank
- Hand Fitted and Welded Ring Gear
- 3 x 10.750”, 3 x 11.500" GM Converter Bolt Patterns
- Precision Machined, Welded, and Balanced In House
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