Page 50 - 2021-22_EngineCatalogAP

ROTATING ASSEMBLIES
Competition Rotating Assemblies with 4340 Crankshaft
Balanced Assemblies
Applications up to 500 horsepower. Recommended for use in pump gas-powered street engines with no power adders. Balanced assembly includes: cast steel crankshaft, Clevite or King bear- ings, bushed “SIR” I-Beam connecting rods with 3/8” ARP
8740 rod bolts, Speed-Pro Hypereutectic pistons, Hastings plasma-moly rings. Internally balanced assemblies do not
include harmonic damper or flexplate. Some external
balanced kits include a 153-tooth flexplate for 1-pc seal,
or a 168-tooth for 2-pc seal crankshafts and non-SFI
approved harmonic balancer. Eagle Specialty prod-
ucts reserves the right to substitute parts due to avail-
ability. Each kit part number is specified by bore size.
Chevrolet Small Block 350
Compression ratios are based on a 64cc combustion chamber. Requires balancing.
CHEVROLET SMALL BLOCK
Part No.
EAGB13402E030 EAGB13404E030 EAGB13404E040 EAGB13404L03068 † EAGB13405E030 EAGB13405E060 EAGB13405L03068 † EAGB13454E030 EAGB13454L03068 † EAGB13455E030 EAGB13455E040 EAGB13455E060 EAGB13057E030 EAGB13402E040 EAGB13404E060
Cubic Bore
Inch Size Stroke
355 4.030" 3.480" 383 4.030" 3.750" 385 4.040" 3.750" 383 4.030" 3.750" 383 4.030" 3.750" 388 4.060" 3.750" 383 4.030" 3.750" 383 4.030" 3.750" 383 4.030" 3.750" 383 4.030" 3.750" 385 4.040" 3.750" 388 4.060" 3.750" 383 4.030" 3.750" 356 4.040" 3.480" 388 4.060" 3.750"
Rod
Length Balanced
5.700" press-fit Int. 5.700" Ext. 5.700" Ext. 5.700" Ext. 5.700" Ext. 5.700" Ext. 5.700" Ext. 5.700" Int. 5.700" Int. 5.700" Int. 5.700" Int. 5.700" Int. 6.000" Int.
5.700" press-fit Int. 5.700" Int.
Piston Type
Speed-Pro Hyp./Flat-Top -7cc Speed-Pro Hyp./Inv. Dome -12cc Speed-Pro Hyp./Inv. Dome -12cc Speed-Pro Hyp./Inv. Dome -12cc Speed-Pro Hyp./Flat-Top -5cc Speed-Pro Hyp./Flat-Top -5cc Speed-Pro Hyp./Flat-Top -5cc Speed-Pro Hyp./Inv. Dome -12cc Speed-Pro Hyp./Inv. Dome -12cc Speed-Pro Hyp./Flat-Top -5cc Speed-Pro Hyp./Flat-Top -5cc Speed-Pro Hyp./Flat-Top -5cc 4032 Mahle/Flat-Top -5cc Speed-Pro Hyp./Flat-Top -7cc Speed Pro Hyp./Inv. Dome -12cc
Piston Rings
File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit File Fit File Fit File-Fit File-Fit File-Fit File-Fit Std. Std.
Piston Rings
File-Fit
Comp. Ratio/64cc
9.6:1 9.8:1 9.8:1 9.8:1 10.5:1 10.5:1 10.5:1 9.8:1 9.8:1 10.5:1 10.5:1 10.5:1 10.5:1 9.6:1 9.8:1
Comp. Ratio/64cc
10.8:1
Eagle
† Designed for use with 1-piece seal crankshaft
Chevrolet Small Block 400
Compression ratio is based on 64cc combustion chamber. 2-piece seal crankshaft.
Cubic Bore Part No. Inch Size
Eagle
EAGB13460030 407 4.155"
Stroke
3.750"
Rod Balance Length Needed
5.700" Ext.
Piston Type
Speed-Pro Hyp./Flat Top -6cc
48 2021-22 ENGINE BUILDER CATALOG