Speedmaster®
Chevy SBC 350 4340 Forged Steel Crankshaft ST-4.000 M350 RJ21 RMS-2Pc Bal-Int LW
Specs
| Brand: | PCE |
| Part Number: | PCE276.1018 |
| Part Type: | Crankshafts |
| Rear Main Seal Style: | 2-piece |
| Engine Stroke (in): | 4.000 in. |
| Crankshaft Material: | Forged 4340 Steel |
| Engine Balance: | Internal |
| Lightened: | Yes |
| Requires Narrow Bearings: | See notes below |
| Rod Bearings Included: | No |
| Main Bearings Included: | No |
| Rod Journal Diameter (in): | 2.100 in. |
| Main Journal Diameter (in): | 2.449 in. |
| Minimun Rod Length (in): | 6.000 in. |
| Balancer Bolt Thread Size: | Standard |
| Crankshaft Snout Style: | Standard |
| Quantity: | Sold individually. |
| Notes: | Check the bearing to crank radius clearance. Rod bearings may need to be chamfered or alternatively use narrow rod bearings. |
| Tool: | Stroker Combinations |
Description
These PCE crankshafts are made from the same strong aircraft-quality forging as standard-weight cranks, but have profiled counterweights for less weight. PCE lightweight crankshafts are perfect for engines wanting quicker rpm. PCE crankshafts are nitride-hardened, with large radii on all journals for superior wear resistance, and use lightening holes in all rod throws. Scat cranks are CNC-machined for absolute tolerances and symmetry, offering ease of balance and a reduced rotating weight.
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.