No Reluctor Wheel, 2.100 rod journal diameter, .125" radius on both the connecting rod journals and main journals for increased strength, Gen III/Gen IV LS, Chamfered oil holes for improved oiling.
BTR BTRCRA4000F124 Forged Crankshaft, 4.000" Stroke, GM 24X
BTR BTRCRA3622F124 Forged Crankshaft, 3.622" Stroke, GM 24X
BTR BTRCRA4000F1NR Forged Crankshaft, 4.000" Stroke, No Reluctor
BTR BTRCRA4000F158 Forged Crankshaft, 4.000" Stroke, GM 58X
BTR BTRCRA3622F1NR Forged Crankshaft, 3.622" Stroke, No Reluctor
BTR BTRCRA4000F258 Forged Gen V Crankshaft, 4.000" Stroke, GM 58X
