Smeding Performance Crankshafts start out as a 4340 billet steel alloy core, are forged by non-twist machinery, shot peened to decrease surface stress, heat treated in increase tensile strength and finally nitrided to prevent surface wear. All Smeding Performance Crankshafts come with the reluctor wheel already installed for you! LS 4.000" 6-Cwt Crankshaft:4.000" Stroke6 Counterweight Design6 Bolt FlangeGun Drilled Main JournalsStandard LS Wet Sump Snout4340 Forged High Tensile Strength Alloy...

Smeding Performance Crankshafts start out as a 4340 billet steel alloy core, are forged by non-twist machinery, shot peened to decrease surface stress, heat treated in increase tensile strength and finally nitrided to prevent surface wear. All Smeding Performance Crankshafts come with the reluctor wheel already installed for you! LS 4.000" 8-Cwt Crankshaft:4.000" Stroke8 Counterweight Design6 Bolt FlangeGun Drilled Main & Rod JournalsStandard LS Wet Sump Snout4340 Forged High Tensile Stre...

Smeding Performance Crankshafts start out as a 4340 billet steel alloy core, are forged by non-twist machinery, shot peened to decrease surface stress, heat treated in increase tensile strength and finally nitrided to prevent surface wear. All Smeding Performance Crankshafts come with the reluctor wheel already installed for you! LS 4.125" 6-Cwt Crankshaft:4.125" Stroke6 Counterweight Design6 Bolt FlangeGun Drilled Main JournalsStandard LS Wet Sump Snout4340 Forged High Tensile Strength Alloy...

Smeding Performance Crankshafts start out as a 4340 billet steel alloy core, are forged by non-twist machinery, shot peened to decrease surface stress, heat treated in increase tensile strength and finally nitrided to prevent surface wear. All Smeding Performance Crankshafts come with the reluctor wheel already installed for you! LS 3.622" 8-Cwt Crankshaft:3.622" Stroke8 Counterweight Design6 Bolt FlangeGun Drilled Main & Rod JournalsStandard LS Wet Sump Snout4340 Forged High Tensile Stre...

Smeding Performance Crankshafts start out as a 4340 billet steel alloy core, are forged by non-twist machinery, shot peened to decrease surface stress, heat treated in increase tensile strength and finally nitrided to prevent surface wear. All Smeding Performance Crankshafts come with the reluctor wheel already installed for you! LS7 4.125" 8-Cwt Crankshaft:4.125" Stroke8 Counterweight Design6 Bolt FlangeGun Drilled Main & Rod JournalsLS7 Dry Sump Snout4340 Forged High Tensile Strength Al...

Smeding Performance Crankshafts start out as a 4340 billet steel alloy core, are forged by non-twist machinery, shot peened to decrease surface stress, heat treated in increase tensile strength and finally nitrided to prevent surface wear. All Smeding Performance Crankshafts come with the reluctor wheel already installed for you! LS7 4.000" 8-Cwt Crankshaft:4.000" Stroke8 Counterweight Design6 Bolt FlangeGun Drilled Main & Rod JournalsLS7 Dry Sump Snout4340 Forged High Tensile Strength Al...