Page 481 - 2021-22_EngineCatalogAP

PONTIAC V8 326-455
Street & Strip Assemblies
with Cast Crankshafts
Unbalanced Assemblies
For applications up to 500 horsepower. Recommended for use in pump gas, street engines without power adders. Kit includes cast steel crankshaft (use 2-piece rear main seal), bushed "SIR" I-beam connecting rods, 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.
Pontiac 400
Compression ratios are based on a 85cc combustion chamber. Requires balancing.
Part No.
Eagle
EAG524104155 EAG524014155
Cubic Bore Inch Size
461 4.150" 461 4.155"
Stroke
4.250" 4.250"
Rod Balance Length Needed
6.800" Int. 6.800" Ext.
Piston Type
4032 Mahle/Flat Top -6cc 4032 Mahle/Dished -22cc
Piston Rings
File-Fit File-Fit
Comp. Ratio/85cc
10.0:1 8.9.5:1
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 assem- blies include "ESP" 4340 forged steel crankshaft, “ESP” H-beam 3-D connect- ing rods, Mahle 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 professional machine shop. Eagle Specialty products reserves the right to substitute parts due to availability. Each kit part number is specified by bore size.
Pontiac 400
Compression ratios are based on a 85cc combustion chamber. Requires bal- ancing.
Cubic Bore Part No. Inch Size
Eagle
EAG515004155 461 4.155"
Stroke
4.250"
Rod Length
6.800"
Balance Needed
Ext.
Piston Type
Mahle Flat-Top -6cc
Piston Rings
File-Fit
Comp. Ratio/85cc
10.1:1
If you’re looking for performance aluminum
roller rocker arms, the PRW Pro Series has you covered.
Available for a wide range of
engine applications throughout this catalog.
ROTATING ASSEMBLIES
2021-22 ENGINE BUILDER CATALOG 479