Molnar Chev LS 4340 Forged Crank -4.000" Stroke

Description

Our 4340 forged crankshafts are heat treated to increase tensile strength, shot peened to increase fatigue life, nitrided for wear resistance and 100% mag particle inspected to ensure against cracks.
Sizes are held to the tightest tolerances you’ll find in the racing industry!
CHEVY LS CRANKS
Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
346-3622LB6F-610
Chevy LS
3.622
LS Chevy
2.100
6.125
1800
346-3750LB6F-610
Chevy LS
3.750
LS Chevy
2.100
6.125
1800
346-3900LB6F-610
Chevy LS
3.900
LS Chevy
2.100
6.125
1800
346-4000LB6F-610
Chevy LS
4.000
LS Chevy
2.100
6.125
1800
346-4125LB6F-610
Chevy LS
4.125
LS Chevy
2.100
6.125
1800
346-4250LB6F-610
Chevy LS
4.250
LS Chevy
2.100
6.125
1800