Eagle Ford 6.7L V8 Small Block 408 Stroker Comp Rotating Assembly 4.030in Bore 4.000in Stroke
Eagle Ford 6.7L V8 Small Block 408 Stroker Comp Rotating Assembly 4.030in Bore 4.000in Stroke
Description
Eagle Ford 6.7L V8 Small Block 408 Stroker Comp Rotating Assembly 4.030in Bore 4.000in Stroke
Eagle Competition Rotating Assemblies are perfect for all forms of racing use including nitrous and forced-induction.
Additional Information
4.000" Forged 4340 Steel Crank,6.250" H-BEAM Rods,7/16" ARP 8740 BOLTS,Forged 4032 MAHLE -26CC INV. DOME 4.030" PISTONS,PLASMA-MOLY FILE-FIT RINGS,KING XP Rod/MAIN BEARINGS.
Application Summary
Ford 351W
Part Type
Engine Crankshaft Rotating Assembly
Product Overview
Eagle Competition Rotating Assembly matches the Eagle "ESP" H-Beam Connecting Rods, 4340 Steel Crankshaft, and Premium Forged Pistons from companies like Arias, JE, and SRP. Competition Assemblies COMPLETE solution and are the perfect choice for the most demanding applications.
*Street Performance Assemblies*
Eagle Street Performance Assemblies offer the perfect balance of performance, reliability, and affordability for engines under 500 hp. Each kit includes a cast steel crankshaft, âââ¬Ã
âSIRâââ¬Ã I-beam connecting rods, forged or hypereutectic pistons, plasma-moly rings, and Clevite77 bearings.
*Street & Strip Assemblies*
Eagle Street & Strip Assemblies offer the perfect balance of performance, reliability, and affordability for engines under 500 hp. Each kit includes a cast steel crankshaft, âââ¬Ã
âSIRâââ¬Ã I-beam connecting rods, forged or hypereutectic pistons, plasmamoly rings, and Clevite77 bearings.
*Pro Street Assemblies*
Eagle Pro Street Assemblies offer the perfect balance of performance, reliability, and affordability for street applications where a forged 430
steel crank is desired. Each kit includes a 4340 steel crankshaft, âââ¬Ã
âSIRâââ¬Ã I-beam connecting rods, forged or hypereutectic pistons, plasma-moly
rings, and Clevite77 bearings.
*Competition Assemblies*
Eagle Competition Assemblies offer the ultimate in strength and reliability at an affordable price. Each kit includes a 4340 steel crankshaft, H-beam rods, premium forged pistons, plasma-moly rings, and Clevite77 âââ¬Ã
âHâââ¬Ã series bearings. They are designed for internal balance. Standard bore is 4.000âââ¬ÃÂ. Perfect for the most demanding applications.
*Forced Induction Assemblies*
Eagle Competition Assemblies offer the ultimate in strength and reliability at an affordable price. Each kit includes a 4340 steel crankshaft, H-beam rods with upgrade ARP 2000 or L19 bolts, premium forged pistons designed specifically for forced induction engines, plasma-moly rings, and Clevite77 âââ¬Ã
âHâââ¬Ã series bearings. They are designed for internal balance. Perfect for extreme horsepower applications.
Data: v2 - Desc: v4.2 - Upd: 2026-11-07 20:04:18
Features
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Details
| Assembly Balanced: | No |
| Assembly Type: | Competition Assembly |
| Balance Type: | internal |
| Bore: | 4.03 |
| Comp Ratio@58cc (@64/76cc): | 10.7 (10.1/9.4) |
| Connecting Rod Bolt Diameter: | 7/16 in |
| Connecting Rod Bolt Material: | ARP 8740 |
| Connecting Rod Design: | H-Beam |
| Connecting Rod Length: | 6.250 in |
| Connecting Rod Material: | Forged 4340 Steel |
| Crankshaft Center Counterweights: | No |
| Crankshaft Flange Bolt Holes: | 6 |
| Crankshaft Main Journal Diameter: | 3.000 in |
| Crankshaft Material: | Forged 4340 Steel |
| Crankshaft Reluctor: | No |
| Crankshaft Rod Journal Diameter: | 2.100 in |
| Crankshaft Stroke: | 4.000 in |
| Cylinder Bore Diameter: | 4.030 in |
| Damper Included: | No |
| Description: | Competition Assembly; Mahle -20cc Inv Dome Pistons; FF Rings |
| Flexplate/Flywheel Included: | No |
| Main Bearing Type: | hardened, narrowed or chamfered |
| Main Bearings Included: | Yes |
| Main Journal: | 3.000" |
| Oil Rail Support Included: | No |
| Part Number: | eag14123030 |
| Piston Brand: | Mahle |
| Piston Dome Volume: | -26cc |
| Piston Face Type: | inverted dome |
| Piston Material: | Forged 4032 Aluminum |
| Piston Pin Diameter: | .927 in |
| Piston Pin Type: | Full Floating |
| Piston Ring Gap: | file-fit |
| Piston Ring Thickness: | 1.0mm, 1.0mm, 2.0mm |
| Piston Type: | Inverted Dome Forged |
| Product Line: | Competition |
| Rod Bearing Type: | hardened, narrowed or chamfered |
| Rod Bearings Included: | Yes |
| Rod: | 6.250" |
| Second Piston Ring Type: | Reverse Twist Iron |
| Stroke: | 4.000" |
| Thrust Washer Included: | No |
| Title: | ESP COMPETITION ASSEMBLY FORD 351W |
| Top Piston Ring Type: | Barrel Faced Plasma-Moly |
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Eagle, Eagle Specialty Products |
| StreetFX SKU | eag14123030 |
| SFX Item ID | 4053410 |
| Accounting SKU | eag-14123030 |
| Manufacturer SKU | 14123030 |
| Manufacturer UPC | 793348552606 |
| Alternative References | ESP-14123030 |
Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Small Block, Kit
Eagle competition rotating assemblies consist of name-brand quality components for a wide range of engines at an affordable price. Depending upon your selection, these kits may feature a crankshaft, pistons, piston rings, rod and main bearings, or connecting rods. Balanced assemblies are also available. Order the model designed for fitment on your year/make vehicle and engine application.
| Product Attributes | |
|---|---|
| Brand | Eagle Specialty Products |
| Manufacturer's Part Number | 14123030 |
| Part Type | Engine Rotating Kits |
| Product Line | Eagle Competition Rotating Assemblies |
| UPC | 793348552606 |
| Actual Engine Displacement | 6.7L/408 |
| Rear Main Seal Style | 1-piece, 2-piece |
| Bore (in.) | 4.030 in. |
| Bore (mm) | 102.362mm |
| Engine Stroke (in.) | 4.000 in. |
| Balanced | No |
| Piston Material | Forged aluminum |
| Piston Style | Dish, with a D-shaped cup |
| Harmonic Balancer Included | No |
| Flexplate Included | No |
| Flywheel Included | No |
| Pistons Included | Yes |
| Piston Head Volume (cc) | +26.00cc |
| Wrist Pin Style | Floating |
| Piston Rings Included | Yes |
| Piston Ring Facing Material | Plasmamoly |
| Piston and Ring Oversize (in.) | 0.030 in. |
| Crankshaft Included | Yes |
| Crankshaft Material | Forged 4340 steel |
| Engine Balance | Internal |
| Connecting Rods Included | Yes |
| Connecting Rod Length Center to Center (in.) | 6.250 in. |
| Connecting Rod Material | Forged 4340 steel |
| Connecting Rod Beam Style | H-beam |
| Rod Bearings Included | Yes |
| Rod Bearing Undersize (in.) | Stock |
| Rod Bearing Undersize (mm) | Stock |
| Main Bearings Included | Yes |
| Main Bearing Undersize (in.) | Stock |
| Main Bearing Undersize (mm) | Stock |
| Cam Bearings Included | No |
| Gaskets Included | No |
| Oil Pump Included | No |
| Camshaft Included | No |
| Lifters Included | No |
| Timing Chain and Gears Included | No |
| Plastigage Included | No |
| Assembly Lubricant Included | No |
| Quantity | Sold as a kit. |
| Notes | 3.000 inch main journals. Assembly includes file fit piston rings and inverted dome design pistons. Suitable for use up to 750 horsepower, 1500 horsepower with rod bolt upgrade. |
Compatibility
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