Magnum – Big Block Chevy

* Stroke Range of 3.500 in. to 5.500 in.
* 2.200 – 2.100 – 2.000 Rod Journal Diameters
* Standard BBC or 409 Main Bearing Diameters
* Multiple Post Key-way and Bolt Hole Configurations
* Enhanced rod oiling through the use of main bearing oil hole lead-ins.
* One and Two Piece Seal Type Flanges or Star Flange
* Gun Drilled Mains, With 8 Full Counterweights
* All Rod Journals Lightened

BBC Big Block Chevy Magnum Crankshaft from Callies Performance Products

Below is only a partial listing of part numbers.  Please call for additional part number information and availability.

Stroke Main Pins  Cammed for rod length Part # Price
Tier 1
4.000 2.750 2.200 6.385 BBO42B-MG $2,056.00
4.250 2.750 2.200 6.385 BBP42B-MG $2,056.00
4.375 2.750 2.200 6.535 BBB42B-MG $2,056.00
4.500 2.750 2.200 6.700 BBQ42B-MG $2,056.00
4.750 2.750 2.200 6.700 BBS42B-MG $2,056.00
 Tier 2
3.750 2.750 2.200 6.135 BBJ42B-MG $2,105.00
4.125 2.750 2.200 6.385 BBU42B-MG $2,105.00
4.625 2.750 2.200 6.700 BBR42B-MG $2,105.00
Tier 3 All other Strokes, Bearing and Main Combinations  Including the Following
4.875 2.750 2.200 7.000 BBI42B-MG $2,312.00
5.000 2.750 2.200 7.000 BBV42B-MG $2,312.00
5.300 2.750 2.200 7.250 BB542B-MG $2,312.00

Custom under sizes up to .0015 add – $150.00
All 4.900 Spread Bore Crankshafts add – $440.00