Catalog

Ultra Billet – Big Block Chevy
Callies has developed a wide range of part numbers for the Big Block Chevy engine family. Any main journal, rod journal, post configuration, stroke or other specialized characteristic that you may require can be provided. Callies Ultra billet crankshafts are truly custom made to match your project.
Ultra Billet – Big Block Chevy

Standard Features
- Bore Spacings Available: Standard 4.840, 4.900, 5.000, 5.300
- Stroke Range of 3.400-6.125 in.
- Flange Options: Full Round or Star, 7/16″ or 1/2″ bolt holes available
- Rod Journal Diameters Available: 1.888, 2.000, 2.100, 2.200, 2.375 Hemi
- 8 or 6 counterweight designs available
- Sold complete with no drill balance
- Aero efficient Ultra-Shed counterweight profile
- Aero-Shed super finishing is standard
- Various keyway configurations available
- All Big Block Chevy Ultra billet crankshafts are produced from high grade TimkenSteel material
- Splined Post (RCD Style) available
Strokes under 4.250 in. Produced from EN30B

Strokes over 4.250 in. Produced from EN30B

Spread Bore 5.300. Produced from EN30B

Spread Bore 5.300/Strokes over 5.750 in. Produced from EN30B
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Ultra Billet – Big Block Chevy
Callies has developed a wide range of part numbers for the Big Block Chevy engine family. Any main journal, rod journal, post configuration, stroke or other specialized characteristic that you may require can be provided. Callies Ultra billet crankshafts are truly custom made to match your project.
Ultra Billet – Big Block Chevy

Standard Features
- Bore Spacings Available: Standard 4.840, 4.900, 5.000, 5.300
- Stroke Range of 3.400-6.125 in.
- Flange Options: Full Round or Star, 7/16″ or 1/2″ bolt holes available
- Rod Journal Diameters Available: 1.888, 2.000, 2.100, 2.200, 2.375 Hemi
- 8 or 6 counterweight designs available
- Sold complete with no drill balance
- Aero efficient Ultra-Shed counterweight profile
- Aero-Shed super finishing is standard
- Various keyway configurations available
- All Big Block Chevy Ultra billet crankshafts are produced from high grade TimkenSteel material
- Splined Post (RCD Style) available
Strokes under 4.250 in. Produced from EN30B

Strokes over 4.250 in. Produced from EN30B

Spread Bore 5.300. Produced from EN30B

Spread Bore 5.300/Strokes over 5.750 in. Produced from EN30B
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