- Engines & Components
- Rotating Assembly Kits
- Eagle Ford Modular 4.6L Competition Rotating Assemblies
Eagle Ford 4.6L Competition Rotating Assemblies offer the ultimate reliability and strength at an affordable price for the most demanding applications. These kits include an Eagle Forged 4340 Steel Crankshaft, Eagle H-Beam Rods, Arias Premium Forged Pistons, Hastings Rings, and high-performance Clevite or King Bearings.
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Notes:
- Assembly part numbers that begin with “B” are balanced by Eagle and require no additional balancing. Part numbers that do not begin with “B” are unbalanced assemblies and must be balanced by a qualified machine shop before use.
- All kits are designed for internal balance.
- Ford 4.6L engines have a standard bore size of 3.552". Kits are available in standard, and .020" oversize.
- Eagle Specialty Products reserves the right to substitute pistons due to availability.
- Due to the many different variations of main bearings that exist with this engine, Eagle 4.6L rotating assemblies do NOT include main bearings.
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AVAILABILITY
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PART TYPE
PART TYPE
BRAND
BRAND
Part Fitment
Part Category
Vendor Part Number
Piston Material
Rod Bearing Undersize mm
Oil Pump Included
Actual Engine CID
Connecting Rod Material
Main Bearings Included
Piston Rings Included
Piston Head Volume cc
Rod Bearings Included
Piston Ring Facing Material
Assembly Lubricant Included
Timing Chain and Gears Included
RATING
PRICE
2 Valve Heads (52cc), "PI" Heads (44cc)
Competition Rotating Assembly -
Ford 4.6L
Stroke: 3.750
Disp. @ 3.572: 301
Rod Length: 5.950
Pistons: -22cc Inv. Dome
Rings: File Fit
Comp. Ratio 44cc/52cc: 9.5/8.6
Ford 4.6L
Stroke: 3.750
Disp. @ 3.572: 301
Rod Length: 5.950
Pistons: -22cc Inv. Dome
Rings: File Fit
Comp. Ratio 44cc/52cc: 9.5/8.6
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$2,980.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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3 Valve Heads
Competition Rotating Assembly -
Ford 4.6L
Stroke: 3.750
Disp. @ 3.572: 301
Rod Length: 5.950
Pistons: -4cc Inv. Dome
Rings: File Fit
Comp. Ratio 50cc: 11.2
Ford 4.6L
Stroke: 3.750
Disp. @ 3.572: 301
Rod Length: 5.950
Pistons: -4cc Inv. Dome
Rings: File Fit
Comp. Ratio 50cc: 11.2
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$2,844.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Lowest Price Guarantee
Competition Rotating Assembly -
Ford 4.6L
Stroke: 3.750
Disp. @ 3.572: 301
Rod Length: 5.950
Pistons: -19cc Inv. Dome
Rings: File Fit
Comp. Ratio 50cc: 9.3
Ford 4.6L
Stroke: 3.750
Disp. @ 3.572: 301
Rod Length: 5.950
Pistons: -19cc Inv. Dome
Rings: File Fit
Comp. Ratio 50cc: 9.3
View Details
$2,969.99
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