Eagle Chevy 400 3.750in Crank 6.000in H-Beam 4cc Dome 4.125in Pistons Rotating Assembly

SKU: EAG12504030

Engine Rotating Kits

EAG Rotating Assy - 8 Cyl...

Eagle

Eagle Chevy 400 3.750in Crank 6.000in H-Beam 4cc Dome 4.125in Pistons Rotating Assembly

SKU: EAG12504030

Engine Rotating Kits

EAG Rotating Assy - 8 Cyl...

LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.

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Description

Eagle Competition Rotating Assemblies are perfect for all forms of racing use including nitrous and forced-induction.

Application Summary

CHEVY 400

Part Type

Engine Crankshaft Rotating Assembly

Data: v4.2 - Upd: 2026-10-14 05:35:30

Specifications

Product Attributes - Brand: Eagle Specialty Products
Product Attributes - Manufacturer's Part Number: 12504030
Product Attributes - Part Type: Engine Rotating Kits
Product Attributes - Product Line: Eagle Competition Rotating Assemblies
Product Attributes - UPC: 793348539409
Product Attributes - Actual Engine Displacement: 6.7L/406
Product Attributes - Rear Main Seal Style: 2-piece
Product Attributes - Bore (in.): 4.155 in.
Product Attributes - Bore (mm): 105.537mm
Product Attributes - Engine Stroke (in.): 3.750 in.
Product Attributes - Balanced: No
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Piston Style: Dome, with two valve reliefs
Product Attributes - Harmonic Balancer Included: No
Product Attributes - Flexplate Included: No
Product Attributes - Flywheel Included: No
Product Attributes - Pistons Included: Yes
Product Attributes - Piston Head Volume (cc): -4.00cc
Product Attributes - Wrist Pin Style: Floating
Product Attributes - Piston Rings Included: Yes
Product Attributes - Piston Ring Facing Material: Plasmamoly
Product Attributes - Piston and Ring Oversize (in.): 0.030 in.
Product Attributes - Crankshaft Included: Yes
Product Attributes - Crankshaft Material: Forged 4340 steel
Product Attributes - Engine Balance: Internal
Product Attributes - Connecting Rods Included: Yes
Product Attributes - Connecting Rod Length Center to Center (in.): 6.000 in.
Product Attributes - Connecting Rod Material: Forged 4340 steel
Product Attributes - Connecting Rod Beam Style: H-beam
Product Attributes - Rod Bearings Included: Yes
Product Attributes - Rod Bearing Undersize (in.): Stock
Product Attributes - Rod Bearing Undersize (mm): Stock
Product Attributes - Main Bearings Included: Yes
Product Attributes - Main Bearing Undersize (in.): Stock
Product Attributes - Main Bearing Undersize (mm): Stock
Product Attributes - Cam Bearings Included: No
Product Attributes - Gaskets Included: No
Product Attributes - Oil Pump Included: No
Product Attributes - Camshaft Included: No
Product Attributes - Lifters Included: No
Product Attributes - Timing Chain and Gears Included: No
Product Attributes - Plastigage Included: No
Product Attributes - Assembly Lubricant Included: No
Product Attributes - Quantity: Sold as a kit.
Product Attributes - Notes: 400 cubic inch main journals. Assembly includes file fit piston rings. Suitable for up to 750 horsepower, 1500 horsepower with rod bolt upgrade.

Reference Information

Brand Name/s	Eagle
StreetFX SKU	eag12504030
SFX Item ID	4054153
Supplier Item Code	4054153
Manufacturer SKU	12504030
Manufacturer UPC	793348539409
Alternative References	ESP-12504030, 3.750in, 6.000in, 4cc, 4.125in