4340 Forged Crank, 1 Piece RMS, 3.48" Stroke, Light Weight
Our 4340 is similar to our 5140 but with the some added features and superior strength of our 4340 steel. It's well suited for very high performance street with power adders or Sportsman racing.
- Light Weight
- Handles up to 900 HP
- Internally Balanced
- Multi step heat treating for superior wear resistance and strength
- Stress Relieved
- Cross drilled and chamfered oil holes
- Lightening holes in rod throws
- Nitrite hardened main and rod journals for superior wear
- Large radius on all journals
- Precision ground
- Micro Polished
- Shot Peened
- X-Rayed for quality control
- 2 Piece rear main seal
- Main Journal 2.449"
- Rod Journal 2.1"
- Stroke 3.48", Stock
- Image may be different from actual product