Manley Performance is proud to introduce our new line of “PRO SERIES” crankshafts specifically designed for the CHEVROLET LS market...The perfect compliment to our existing product range of LS pistons and connecting rods. Why shop anywhere else when you can bullet-proof your LS engine’s bottom-end with quality Manley components?

Lightweight (LW) and Super Lightweight (SLW) designs
4340 material forgings
Multi-step heat treatment process and Nitrided for added strength
Stress relieved, shot-peened, and magnafluxed
Micro polished large .125” radius journals (narrowed bearings required)
Available with either 24 or 58 tooth reluctor wheel
Gun drilled mains and lightened rod journals for weight reduction
Counterweights fully profiled
Designed for Internal Balancing