Eagle Small Block Mopar Competition Rotating Assemblies
InfoVehicle Info Needed
EAGLEPART NUMBER: 356-20108030

Eagle Small Block Mopar Competition Rotating Assemblies

$2,88099
ShippingShips on 09/14/2026
Lowest PriceLowest Price Guarantee

360 Block Competition Assemblies
    Competition Rotating Assembly -
    Mopar 360
    Stroke: 4.000
    Disp. @ 4.030: 408
    Rod Length: 6.123
    Pistons: -28cc Inv. Dome
    Rings: File Fit
    Comp. Ratio 60cc/65cc/70cc: 9.4/9.0/8.7

    Designed for Internal Balance - Flexplate/Flywheel and Balancer Not Included, Professional Machine Shop Balancing Required

Eagle Small Block Mopar 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, Mahle Forged Pistons, Hastings Rings and high-performance Clevite or King Bearings.

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.
Show More
  • Mopar 340 engines have a standard bore size of 4.040". Kits are available in standard bore and .030" oversize.
  • Mopar 360 engines have a standard bore size of 4.000". Kits are available in .030", .040", and .060" oversizes.
  • Eagle Specialty Products reserves the right to substitute pistons due to availability.
Part TypeEngine Rotating Assembly Kit
Product LineEagle Small Block Mopar Competition Rotating Assemblies
BrandEAGLE
Package Height12.0
Package Width20.5
Package Length30.5
Weight91.0 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number20108030
Package Qty1
Package TypeEA
No Questions
No Reviews

Items You Need

Engine Assembly Lube [4 oz. Bottle]

JEGS

Engine Assembly Lube [4 oz. Bottle]

Part Number : 555-28000
$589$6.99
You Save$1.10
Break-In/Engine Oil Supplement [12 oz. Bottle]

JEGS

Break-In/Engine Oil Supplement [12 oz. Bottle]

Part Number : 555-28060
$1009$11.99
You Save$1.90
32-Blade Feeler Gauge Kit 0.0015" to 0.035" (0.038mm to 0.889mm)

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
Piston Ring Filer & Grinder Tool 170/140 Grit

JEGS

Piston Ring Filer & Grinder Tool 170/140 Grit

Part Number : 555-80514
$4199$46.99
You Save$5.00
Plastigauge Kit

JEGS

Plastigauge Kit

Part Number : 555-80593
$1499$16.99
You Save$2.00
Assortment Engine Brush Kit 9 Piece

JEGS

Assortment Engine Brush Kit 9 Piece

Part Number : 555-80732
$5299$58.99
You Save$6.00
Tapered Piston Ring Compressor for 4.030" Bore

PROFORM

Tapered Piston Ring Compressor for 4.030" Bore

Part Number : 778-67445
$3499
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning
Your Cart

Your shopping cart is empty!