Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededEAGLEPART NUMBER: 356-21201030
Eagle Big Block Mopar Competition Rotating Assemblies
$2,60799
Ships on 02/16/2027
Lowest Price Guarantee440 Block 6 Bolt Flange Competition Assemblies
- Competition Rotating Assembly -
Mopar 440
Stroke: 4.150
Disp. @ 4.350: 493
Rod Length: 6.760
Pistons: -8cc Flat Top
Rings: File Fit
Comp. Ratio 72cc/80cc/84cc: 11.6/10.7/10.4
Designed for Internal Balance - Flexplate/Flywheel and Balancer Not Included, Professional Machine Shop Balancing Required
Part TypeEngine Rotating Assembly Kit
BrandEAGLE
Package Height20.5
Package Width21.5
Package Length30.5
Weight110.0 PG
Part CategoryPerformance Parts
Crankshaft MaterialForged 4340 steel
Piston And Ring Oversize0.03 in (0.8 mm)
Main Bearing Undersize (Mm)Stock
Wrist Pin StyleFloating
Connecting Rod Beam StyleH-beam
Rod Bearing Undersize (Mm)Stock
Piston Ring Facing MaterialPlasmamoly
Piston StyleFlat top, with two valve reliefs
Assembly Lubricant IncludedNo
Piston Head Volume (Cc)6
Gaskets IncludedNo
Rear Main Seal Style2-piece
Main Bearing Undersize (In.)Stock
Crankshaft IncludedYes
Piston Rings IncludedYes
Bore (Mm)110.49
Actual Engine Cid493
Engine Stroke4.15 in (105.41 mm)
Connecting Rod MaterialForged 4340 steel
Pistons IncludedYes
Rod Bearing Undersize (In.)Stock
QuantitySold as a kit
Main Bearings IncludedYes
Engine BalanceInternal
Rod Bearings IncludedYes
Connecting Rods IncludedYes
Oil Pump IncludedNo
Camshaft IncludedNo
Timing Chain And Gears IncludedNo
BalancedNo
Piston MaterialForged aluminum
Cam Bearings IncludedNo
Part FitmentSemi Universal
Plastigage IncludedNo
Lifters IncludedNo
Bore4.35 in (110.49 mm)
Vendor Part Number21201030
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
![Break-In/Engine Oil Supplement [12 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28060.jpg)
JEGS
32-Blade Feeler Gauge Kit 0.0015" to 0.035" (0.038mm to 0.889mm)
Part Number : 555-80500
$999$10.99
You Save$1.00
JEGS
Part Number : 555-80500
$999$10.99
You Save$1.00
Some parts are not legal for use in California or other states with similar laws / regulations
