Magnum – LS1 Gen III – IV

Standard Features
* Average Weight for 4.000 in. Stroke Balanced to 1785g Bob. = 47 lbs.
* Magnums are Sold Rough Balanced to 1700g Bob.
* Gun Drilled Mains
* All Rod Journals Lightened
* Dual Linear Post Keyways
* Stroke Availability from 2.600 in. to 4.500 in.
* Heat Treatment = Perma Case Deep Nitride
Special Options
* Additional Post Keyways, Custom Post Drilling
* Custom Flange Bolt & Dowel Drilling
* 2.100, 2.000, 1.888 and 1.825 Rod Journal Diameters
* Extended Length Post for LS7 Type Front Assembly
* Custom Reluctor Hub Machining or Removal
* 24 or 58 Tooth Billet Reluctors Installed

Chevy LS Magnum Crankshaft

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

Stroke Pin Size Main Size     Part # MSRP
3.625 2.100 LS-1 GM Small Block – 2.559 Magnum APH-31T-MG $1,993.00
3.625 2.100 LS-1 GM Small Block – 2.559 Magnum APH-31V-MG $1,993.00
3.750 2.100 LS-1 GM Small Block – 2.559 Magnum APJ-31T-MG $1,993.00
3.900 2.100 LS-1 GM Small Block – 2.559 Magnum APC-31T-MG $2,073.00
4.000 2.100 LS-1 GM Small Block – 2.559 Magnum APO-31T-MG $2,073.00
4.000 2.000 LS-1 GM Small Block – 2.559 Magnum APO-34T-MG $2,073.00
4.000 2.000 LS-1 GM Small Block – 2.559 Magnum  LS7 Post AWO-34T-MG $2,073.00
4.100 2.100 LS-1 GM Small Block – 2.559 Magnum 5PZ-31T-MG $2,073.00
4.100 2.100 LS-1 GM Small Block – 2.559 Magnum 5WZ-31T-MG $2,073.00
4.100 2.100 LS-1 GM Small Block – 2.559 Magnum APZ-31T-MG $2,073.00
4.100 2.100 LS-1 GM Small Block – 2.559 Magnum APZ-31V-MG $2,073.00
4.100 2.100 LS-1 GM Small Block – 2.559 Magnum  LS7 Post AWZ-31T-MG $2,073.00
4.125 2.100 LS-1 GM Small Block – 2.559 Magnum  LS7 Post 5WU-31T-MG $2,073.00
4.250 2.100 LS-1 GM Small Block – 2.559 Magnum 5PP-31T-MG $2,116.00
4.250 2.100 LS-1 GM Small Block – 2.559 Magnum APP-31T-MG $2,116.00
4.250 2.100 LS-1 GM Small Block – 2.559 Magnum  LS7 Post AWP-31T-MG $2,116.00
4.375 2.100 LS-1 GM Small Block – 2.559 Magnum  LS7 Post AWB-31T-MG $1,993.00*
4.500 2.100 LS-1 GM Small Block – 2.559 Magnum APQ-31T-MG $1,993.00*
4.500 2.100 LS-1 GM Small Block – 2.559 Magnum  LS7 Post AWQ-31T-MG $1,993.00*

*Final price for strokes over 4.250 to be determined by customer’s balance requirements, call for specifics