CALLIES CRANKSHAFT - MAGNUM - 4.000" STROKE - 8 COUNTERWEIGHT - 58X RELUCTOR - APO31W-MG-58

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CALLIES CRANKSHAFT - MAGNUM - 4.000" STROKE - 8 COUNTERWEIGHT - 58X RELUCTOR - APO31W-MG-58

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

Features
BTR SKU APO31W-MG-58
Length 31.700000
Width 9.600000
Height 9.500000
Weight 58.700000
Brand Callies
Part Type Crankshaft
Engine Type Gen III/Gen IV LS
Crankshaft Stroke 4.000" STROKE
Reluctor Wheel GM 58X
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