ROTATING ASSEMBLIES
Competition Rotating Assemblies with 4340 Crankshaft Unbalanced Assemblies
“ESP” Competition rotating assemblies are designed for small block engine builds up to 750 horsepower and big block up to 850. They include high-quality brand components to build a durable competition race engine. Rotating assemblies include: “ESP” 4340 forged steel crankshaft, “ESP” H-Beam 3-D connecting rods, Mahle or SRP forged pistons, file-fit piston rings, Speed-Pro or Clevite 77 rod and main bearings. Flexplate/flywheel and balancer not included. Requires balancing at a profes- sional machine shop. Eagle Specialty products reserves the right to substitute parts due to
availability. Each kit part number is specified by bore size. Chevrolet Small Block 350 Compression ratio is based on 64cc combustion chamber. Requires balancing. 2-piece seal crankshaft unless noted.
Cubic Inch
Bore Size
Rod Length
Balance Needed
Piston Type
Piston Rings
Comp. Ratio/64cc
Part No.
Stroke
Eagle
EAG12007030 EAG12008030 EAG12008040 EAG12011030 EAG12011060 EAG12012030 EAG12012040 EAG12012060 EAG12107030 †
383 383 385 383 388 383 383 383 383
4.030" 4.030" 4.040" 4.030" 4.060" 4.030" 4.040" 4.060" 4.030"
3.750" 3.750" 3.750" 3.750" 3.750" 3.750" 3.750" 3.750" 3.750"
5.700" 5.700" 5.700" 6.000" 6.000" 6.000" 6.000" 6.000" 5.700"
Int. Int. Int. Int. Int. Int. Int. Int. Int.
4032 Mahle/Inv. Dome -16cc 4032 Mahle/Flat-Top -5cc 4032 Mahle/Flat-Top -5cc 4032 Mahle/Flat-Top -5cc 4032 Mahle/Flat-Top -5cc 2618 Mahle/Dome +6cc 2618 Mahle/Dome +6cc 2618 Mahle/Dome +6cc 4032 Mahle/Inv. Dome -16cc
File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit
9.4:1
10.5:1 10.5:1 10.5:1 10.5:1 12.0:1 12.0:1 12.0:1
9.4:1
† Designed for use with 1-piece seal crankshaft
Chevrolet Small Block 400 400 Mains designed for internal balance with no heavy metal needed. Compression ratio is based on 64cc combustion chamber. 2-piece seal crankshaft.
Cubic Inch
Bore Size
Rod Length
Balance Needed
Piston Type
Piston Rings
Comp. Ratio/64cc
Part No.
Stroke
Eagle
EAG12001030 EAG12001040 EAG12029030 EAG12004030 EAG12004060 EAG12020040 EAG12501030 EAG12503030 EAG12503040 EAG12504030 EAG12504040
355 357 355 355 360 357 406 406 409 406 409
4.030" 4.040" 4.030" 4.030" 4.060" 4.030" 4.155" 4.155" 4.165" 4.155" 4.165"
3.480" 3.480" 3.480" 3.480" 3.480" 3.500" 3.750" 3.750" 3.750" 3.750" 3.750"
5.700" 5.700" 5.700" 6.000" 6.000" 6.000" 5.700" 6.000" 6.000" 6.000" 6.000"
Int. Int. Int. Int. Int. Int. Int. Int. Int. Int. Int.
4032 Mahle/Flat-Top -5cc 4032 Mahle/Flat-Top -5cc 4032 SRP/Inv. Dome -24cc 2618 Mahle/Dome +11cc 2618 Mahle/Dome +11cc 4032 Mahle/Flat-Top -5cc 4032 Mahle/Flat-Top -5cc 4032 Mahle/Flat-Top -5cc 4032 Mahle/Flat-Top -5cc 2618 Mahle/Dome +4cc 2618 Mahle/Dome +4cc
File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit
9.6:1 9.6:1 8.2:1 11.6:1 11.6:1 9.9:1 11.0:1 11.0:1 11.0:1 12.2:1 12.2:1
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2021-22 ENGINE BUILDER CATALOG
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