- 4340 material forgings
- Multi-step heat treatment process and nitrided for added strength
- Stress relieved, shot-peened and 100% magnafluxed
- Micro polished large radius journals (narrowed rod bearings required)
- Lightened rod journals for weight reduction
- Counterweights fully profiled
Part No. | Stroke | Minimum Rod Length |
Main Journal Diameter |
Rod Journal Diameter |
Bobweight (grams) |
Total Weight (lbs.) |
|||||
190330 * | 3.850” | 6.125” | 2.750” | 2.100” | 1800 | 58-60 | |||||
190340 * * | 4.100” | 6.200” | 2.750” | 2.100” | 1860 | 58-60 |
* 3.850" stroke crank intended for use with Cleveland 9.200" deck blocks with 2.750" mains
** 4.100" stroke crank intended for use with Windsor 9.500" deck aftermarket blocks with 2.750" mains
Note: Manley crankshafts are not intended for use with highly boosted roots style cog belt superchargers