Home / Shop / Eagle Chevy LT1 350 1Pc 3.750in Crank 5.700in H-Beam -5cc Flat Top 4.000in Pistons Rotating Assembly

Eagle Chevy LT1 350 1Pc 3.750in Crank 5.700in H-Beam -5cc Flat Top 4.000in Pistons Rotating Assembly

SKU: EAG12305L000

Engine Rotating Kits

EAG Rotating Assy - 8 Cyl

Eagle

Eagle Chevy LT1 350 1Pc 3.750in Crank 5.700in H-Beam -5cc Flat Top 4.000in Pistons Rotating Assembly

SKU: EAG12305L000

Engine Rotating Kits

EAG Rotating Assy - 8 Cyl

Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.

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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 LT1, 350

Part Type

Engine Crankshaft Rotating Assembly

Data: v4.2 - Upd: 2026-09-28 14:39:30

Specifications

Product Attributes - Brand: Eagle Specialty Products
Product Attributes - Manufacturer's Part Number: 12305L000
Product Attributes - Part Type: Engine Rotating Kits
Product Attributes - Product Line: Eagle Competition Rotating Assemblies
Product Attributes - UPC: 793348007588
Product Attributes - Actual Engine Displacement: 6.2L/377
Product Attributes - Rear Main Seal Style: 1-piece
Product Attributes - Bore (in.): 4.000 in.
Product Attributes - Bore (mm): 101.600mm
Product Attributes - Engine Stroke (in.): 3.750 in.
Product Attributes - Balanced: No
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Piston Style: Flat top, 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): +5.00cc
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.): Stock
Product Attributes - Piston and Ring Oversize (mm): Stock
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.): 5.700 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	eag12305L000
SFX Item ID	4054079
Supplier Item Code	4054079
Manufacturer SKU	12305L000
Manufacturer UPC	793348007588
Alternative References	ESP-12305L000, LT1, 1Pc, 3.750in, 5.700in, -5cc