Home / Shop / Eagle Chevy 427/454 3.766in Crank 6.135in H-Beam Rod Closed Chamber 4.280in Piston Rotating Assembly

Eagle Chevy 427/454 3.766in Crank 6.135in H-Beam Rod Closed Chamber 4.280in Piston Rotating Assembly

SKU: EAG68308030

Engine Rotating Kits

EAG Rotating Assy - 8 Cyl

Eagle

Eagle Chevy 427/454 3.766in Crank 6.135in H-Beam Rod Closed Chamber 4.280in Piston Rotating Assembly

SKU: EAG68308030

Engine Rotating Kits

EAG Rotating Assy - 8 Cyl

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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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 427/454

Part Type

Engine Crankshaft Rotating Assembly

Data: v4.2 - Upd: 2026-09-28 14:42:22

Specifications

Product Attributes - Brand: Eagle Specialty Products
Product Attributes - Manufacturer's Part Number: 68308030
Product Attributes - Part Type: Engine Rotating Kits
Product Attributes - Product Line: Eagle Competition Rotating Assemblies
Product Attributes - UPC: 793348029733
Product Attributes - Actual Engine Displacement: 8.0L/489
Product Attributes - Rear Main Seal Style: 2-piece
Product Attributes - Bore (in.): 4.280 in.
Product Attributes - Bore (mm): 108.712mm
Product Attributes - Engine Stroke (in.): 3.766 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): -10.20cc
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 - Piston and Ring Oversize (mm): 0.762mm
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.): 6.135 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.

Reference Information

Brand Name/s	Eagle
StreetFX SKU	eag68308030
SFX Item ID	4057646
Supplier Item Code	4057646
Manufacturer SKU	68308030
Manufacturer UPC	793348029733
Alternative References	ESP-68308030, 3.766in, 6.135in, 4.280in