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.
Cubic Inch
Bore Size
Rod Length
Piston Type
Piston Rings
Comp. Ratio/64cc
Part No.
Stroke
Balanced
Eagle
EAGB13402E030 EAGB13404E030 EAGB13404E040
355 4.030" 3.480" 5.700" press-fit
Int. Ext. Ext. Ext. Ext. Ext. Ext. Int. Int. Int. Int. Int. Int. Int. Int.
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
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
9.6:1 9.8:1 9.8:1 9.8:1
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"
5.700" 5.700" 5.700" 5.700" 5.700" 5.700" 5.700" 5.700" 5.700" 5.700" 5.700" 6.000"
EAGB13404L03068 †
EAGB13405E030 EAGB13405E060
10.5:1 10.5:1 10.5:1
EAGB13405L03068 †
EAGB13454E030
9.8:1 9.8:1
EAGB13454L03068 †
EAGB13455E030 EAGB13455E040 EAGB13455E060 EAGB13057E030 EAGB13402E040 EAGB13404E060
10.5:1 10.5:1 10.5:1 10.5:1
356 4.040" 3.480" 5.700" press-fit
Std. Std.
9.6:1 9.8:1
388 4.060" 3.750"
5.700"
† 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 Inch
Bore Size
Rod Length
Balance Needed
Piston Type
Piston Rings
Comp. Ratio/64cc
Part No.
Stroke
Eagle
EAGB13460030
407
4.155"
3.750"
5.700"
Ext.
Speed-Pro Hyp. /Flat Top -6cc
File-Fit
10.8:1
48
2021-22 ENGINE BUILDER CATALOG
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