
Choosing the rotating parts for your small-block Chevy 350? This Eagle Competition rotating assembly uses Mahle forged flat-top pistons with a 4.040-inch bore and 3.750-inch stroke. The 6.000-inch H-beam rods and -5 cc piston crown volume are key details when matching the package to your block and cylinder heads.
| Brand | Eagle |
|---|---|
| Manufacturer Part Number | B12011040 |
| Product Type | Rotating assembly |
| Engine / Application | SBC 350 |
| Quantity | 1 assembly |
| Assembly Balanced | Yes |
| Balance Configuration | Internal |
| Connecting Rod Bolt Diameter | 7/16 in |
| Connecting Rod Bolt Material | ARP8740 |
| Connecting Rod Design | H-beam |
| Connecting Rod Length | 6.000 in |
| Connecting Rod Material | Forged 4340 steel |
| Crankshaft Center Counterweights | No |
| Crankshaft Flange Bolt Holes | 6 |
| Crankshaft Main Journal Diameter | 2.449 in |
| Crankshaft Material | Forged 4340 steel |
| Crankshaft Reluctor | No |
| Crankshaft Rod Journal Diameter | 2.100 in |
| Crankshaft Stroke | 3.750 in |
| Cylinder Bore Diameter | 4.040 in |
| Damper Included | No |
| Flexplate / Flywheel Included | No |
| Main Bearing Type | Hardened, narrowed or chamfered |
| Main Bearings Included | Yes |
| Oil Rail Support Included | No |
| Piston Brand | Mahle |
| Piston Crown Volume | -5 cc |
| Piston Face Type | Flat top |
| Piston Material | Forged 4032 aluminum |
| Piston Pin Diameter | 0.927 in |
| Piston Pin Type | Full floating |
| Piston Ring Gap | File-fit |
| Piston Ring Thickness | 1.0 mm / 1.0 mm / 2.0 mm |
| Rod Bearing Type | Hardened, narrowed or chamfered |
| Rod Bearings Included | Yes |
| Second Piston Ring Type | Reverse twist iron |
| Thrust Washer Included | No |
| Top Piston Ring Type | Barrel faced plasma-moly |
| Assembly Type | Balanced Competition Assembly |
| Piston Type | Flat Top Forged 4032 |
| Product Line | Competition |
| Series | Competition |
Damper and flexplate / flywheel are not included.