Page 206 - 2021-22_EngineCatalogAP

ROTATING ASSEMBLIES
Street & Strip Assemblies with Cast Crankshaft
Unbalanced Assemblies
For applications up to 500 horsepower. Recommended for use in pump gas-powered street engines with no power adders. Kit includes: cast steel crankshaft (use 2-piece rear main seal), bushed "SIR" I-Beam connecting rods, KB Hypereutectic, SRP or Mahle 4032 forged pistons, Perfect Circle rings and Clevite 77 rod and main bearings. Each kit part number is specified by bore size. Flexplate/flywheel and balancer not included. Requires balancing at a professional machine shop. Eagle Specialty products reserves the right to substitute parts due to availability.
Chevrolet Big Block 454 with Cast Steel Crankshaft
Kit includes cast steel crankshaft, 5140 steel SIR I-beam connecting rods, plasma-moly rings, and ARP 8740 7/16" rod bolts. 2-piece crank seal. Requires balancing.
CHEVROLET BIG BLOCK
Cubic Bore Part No. Inch Size
EAG18022060 496 4.310"
Stroke
4.250"
Rod Length 6.385"
Balance Needed Int.
Piston
Type
4032 Mahle, Dome +18cc
Piston Rings File-Fit
Comp. Ratio/118cc 9.9:1
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 con-
necting 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 pro-
fessional machine shop. Eagle Specialty products reserves the
right to substitute parts due to availability. Each kit part number is specified by bore size.
Chevrolet Big Block 454
Designed for internal balance with no heavy metal needed. Requires balancing. Compression ratios are based on a 118cc combustion chamber. 2-piece seal crankshaft.
Part No.
EAG11012030 EAG11012060 EAG11013030 EAG11013060
EAGB11012060 EAG11113060 B
A
Cubic Bore
Inch Size Stroke
489 4.280" 4.250" 496 4.310" 4.250" 489 4.280" 4.250" 496 4.310" 4.250" 496 4.310" 4.250" 496 4.310" 4.250"
Rod Balance Length Needed
6.385" Int. 6.385" Int. 6.385" Int. 6.385" Int. 6.385" Int. 6.385" Int.
Piston Type
4032 Mahle/Dome, +18cc 4032 Mahle/Dome, +18cc 2618 Mahle/Dome +43cc 2618 Mahle/Dome +43cc Mahle/Dome,+ 18cc Mahle/Dome,+ 43cc
Piston Rings
File-Fit File-Fit File-Fit File-Fit File Fit File Fit
Comp. Ratio/118cc
9.9:1 9.9:1 12.4:1 12.4:1 9.9:1 10.2:1
A Balanced assembly B 1-piece rear main seal
Chevrolet Big Block 502-Tall Deck
Designed for internal balance with no heavy metal needed. Requires balancing. Compression ratios are based on a 118cc combustion chamber. 2-piece seal crankshaft.
Cubic Bore Part No. Inch Size
EAG119144500 540 4.500"
Stroke
4.250"
Rod Length 6.800"
Balance Needed Int.
Piston
Type
2618 SRP Dome +36/+33cc
Piston Rings File-Fit
Comp. Ratio/118cc 13.0:1
204 2021-22 ENGINE BUILDER CATALOG