| Lunati Pro Series™ forged crankshafts are top of the line units, manufactured from the highest quality 4340 certified steel. Lunati's 4340 steel forgings meet aircraft quality standards for material cleanliness and purity. Every crank is American forged, American machined and quality checked to meet our exact specifications including: a shaft surface finish of grade 5 RMS or better, journal radii are ground to .140 inch, roundness of each journal is .0001 inch or less and each rod journal is drilled with a 7/8 inch or 3/4 inch lightening hole to reduce the inertia weight of the crankshaft. The Pro Series™ by Lunati is engineered with high performance street and all-out race engines in mind. Pro Series™ Crankshafts have been successfully used in 1,500+ hp applications.
Pro Series™ crankshaft for Chevrolet LS1, LS2, LS6 applications
- Stroke: 4.600 in.
- Main Bearing: 2.559 in.
- Rod Journals: 2.100 in.
- Minimum Rod Length: 6.125 in.
- Crank Weight: 50 lbs.
- Long stroke crankshafts may require additional balance work not covered in the listed price. Please call for additional information.
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