Eagle forged 4340 steel Cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications.
Specifications:
Description_ASC |
Crankshaft must be balanced to match your specific Rods and pistons. |
Description_DEF |
Engine Crankshaft |
Description_DES |
4340 CRANK CHEVY BB INT BAL 4.250" STROK |
Description_EXT |
Forged 4340 Steel Crank - Chevrolet 454, 4.250" Stroke, INTERNAL BALANCE. |
Description_MKT |
Eagle forged 4340 steel Cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications. |
Description_INV |
ESP 4340 Crank |
Description_SHO |
4340 Crank |
Crankshaft Stroke |
4.250" |
Snout Diameter |
1.6" |
Balance Type |
Internal |
Material |
Forged 4340 Steel |
Title |
ESP 4340 CRANK CHEVY BB INT BAL 4.250" STROK |
Rod Journal |
2.2" |
Pilot Bore Diameter |
1.094" |
Engine Stroke |
4.25 |
Minimum Rod Length |
6.385" |
Flywheel Bolt Count |
6 |
Prop 65 - Short Label |
prop65_warning.jpg |
Prop 65 (C, R or CR) |
C |
Main Journal |
2.749" |
Target Bobweight |
2350g |
Prop 65 Yes/No |
Yes |
Rear Seal Diameter |
call |
Rod Journal Width |
2.000" |
Prop 65 Long |
This product contains nickel, which is known to the State of California to cause cancer. |
Flywheel Register Diameter |
call |
Intended Balance |
internal |
Length |
9.0000 |
Width |
9.0000 |
Height |
32.0000 |
Weight |
71.0000 |