Part Number:
ESP-12919
Chevy LS 441 42 443 447 454 Rotating Assembly, Eagle 4340 Forged steel Crankshaft 4.125 Stroke, Eagle 6.125 H-Beam Rods, Mahle Forged -5.8cc Flat Top Pistons, Rings and Bearings Included, 66cc 12.1:1
Special Price
$2,632.95
Regular Price
$2,682.95
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals.
For more information, go to www.P65Warnings.ca.gov.
Eagle competition rotating assemblies are designed to support engine builds up to 900 horsepower. Added rod bolt upgrade makes these kits rated to support 1200 plus horsepower
Eagle 4340 forged steel crankshaft, 4.125 stroke
Eagle forged 4340 steel H-Beam rods with 7/16" ARP 8740 rod bolts, 6.125 Length
Forged Mahle pistons, 1.050 C/H
Mahle performance ring set, 1.0 1.0 2.0mm
Premium Hrod and main bearings
Rotating assembly kit is unbalanced, Internal balancing required before installation (Part number B12919 for balanced version)
Compression Ratio with 61cc 12.9:1
Compression Ratio with 66cc 12.1:1
Compression Ratio with 72cc 11.3:1
Eagle 4340 forged steel crankshaft, 4.125 stroke
Eagle forged 4340 steel H-Beam rods with 7/16" ARP 8740 rod bolts, 6.125 Length
Forged Mahle pistons, 1.050 C/H
Mahle performance ring set, 1.0 1.0 2.0mm
Premium Hrod and main bearings
Rotating assembly kit is unbalanced, Internal balancing required before installation (Part number B12919 for balanced version)
Compression Ratio with 61cc 12.9:1
Compression Ratio with 66cc 12.1:1
Compression Ratio with 72cc 11.3:1
| CNC Part Number | ESP-12919 |
|---|---|
| Price | $2,682.95 |
| Sold As | Kit |
| Manufacturer's Part Number | 12919 |
| Brands | Eagle |
| Part Types | Engine Rotating Assembly Kit |
| Departments | Parts |
| Vehicle Make | Chevy LS |
| Balanced Assembly | No |
| Balance Type | Internal |
| Crankshaft Material | 4340 Forged Steel |
| Crankshaft Stroke | 4.125 |
| Piston Brand | Mahle |
| Piston Type | Flat Top |
| Rod Length | 6.125 |
| Piston Material | Forged |
| Custom Notices | ⚠ PROP 65 WARNING |








