ROTATING ASSEMBLIES
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
Bal. Needed
Piston Type
Piston Rings
Comp. Ratio/64cc
Part No.
Stroke
Eagle
EAG12501030 EAG12503030 EAG12503040 EAG12504030 EAG12504040 EAG12032030
406 406 409 406 409 421
4.155" 4.155" 4.165" 4.155" 4.165" 4.155"
3.750" 3.750" 3.750" 3.750" 3.750" 3.875"
5.700" 6.000" 6.000" 6.000" 6.000" 6.000"
Int. Int. Int. Int. Int. Int.
4032 Mahle/Flat Top -5cc 4032 Mahle/Flat Top -5cc 4032 Mahle/Flat Top -5cc 2618 Mahle/Dome +4cc 2618 Mahle/Dome +4cc 4032 Mahle/Flat Top -5cc
File-Fit File-Fit File-Fit File-Fit File-Fit File-Fit
11.0:1 11.0:1 11.0:1 12.2:1 12.2:1 11.3:1
Chevrolet LS2 Compression ratios are based on a 66cc combustion chamber. LS2/LQ4/LQ9 LS powerplants with 24-tooth reluctor. Designed for internal balance with no heavy metal needed. Requires balancing.
Cubic Inch
Bore Size
Rod Length
Bal. Needed
Piston Type
Piston Rings
Comp. Ratio/64cc
Part No.
Stroke
Eagle
EAG129104030
408
4.030"
4.000"
6.125"
Int.
4032 Mahle/Inv. Dome, -12cc File-Fit
10.8:1
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.
Cubic Inch
Bore Size
Rod Length
Bal. Needed
Piston Type
Piston Rings
Comp. Ratio/118cc
Part No.
Stroke
Eagle
EAG11012030 EAG11012060 EAG11013030 EAG11013060
489 496 489 496
4.280" 4.310" 4.280" 4.310"
4.250" 4.250" 4.250" 4.250"
6.385" 6.385" 6.385" 6.385"
Int. Int. Int. Int.
4032 Mahle/Dome, +18cc 4032 Mahle/Dome, +18cc 2618 Mahle/Dome +43cc 2618 Mahle/Dome +43cc
File-Fit File-Fit File-Fit File-Fit
9.9:1 9.9:1 12.4:1 12.4:1
Chevrolet Big Block 502 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 Inch
Bore Size
Rod Length
Bal. Needed
Piston Type
Piston Rings
Comp. Ratio/118cc
Part No.
Stroke
Eagle
EAG116124500
540
4.500"
4.250"
6.385"
Int.
2618 Mahle/Dome +36cc
File-Fit
12.5:1
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 Inch
Bore Size
Rod Length
Bal. Needed
Piston Type
Piston Rings
Comp. Ratio/118cc
Part No.
Stroke
Eagle
EAG119144500
540
4.500"
4.250"
6.800"
Int.
2618 SRP Dome +36/+33cc
File-Fit
13.0:1
Chrysler Mopar Small Block 360 Designed for internal balance with no heavy metal needed. Requires balancing. Compression ratios are based on a 65cc combustion chamber.
Cubic Inch
Bore Size
Rod Length
Bal. Needed
Piston Type
Piston Rings
Comp. Ratio/65cc
Part No.
Stroke
Eagle
EAG20102030
408
4.030"
4.000"
6.123"
Int.
4032 Mahle/Inv. Dome -16cc
File-Fit
10.1:1
2018 ENGINE BUILDER CATALOG
29
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