Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededEAGLEPART NUMBER: 356-B12011030
Eagle Balanced Competition Rotating Assemblies
$2,88999
Ships on 09/14/2026
Lowest Price GuaranteeChevy Balanced Competition Rotating AssembliesSmall Block Chevy 350 2pc Rear Main Seal 3.750" Stroke 6.000" Rods Forged Pistons
Balanced Competition Rotating Assembly -
350 2pc Seal
Stroke: 3.750
Disp. @ .030: 383
Rod Length: 6.000
Pistons: -5cc Flat Top
Rings: File Fit
Comp. Ratio 58cc/64cc: 11.0/9.7
350 2pc Seal
Stroke: 3.750
Disp. @ .030: 383
Rod Length: 6.000
Pistons: -5cc Flat Top
Rings: File Fit
Comp. Ratio 58cc/64cc: 11.0/9.7
EAGLE SPECIALTY PRODUCTS B12011030 Features:
Eagle Competition Rotating Assemblies are the perfect choice for your racing engine. Eagle takes great care to select the best parts to makimize performance, reliability, and durability without breaking the bank. Eagle competition assemblies are recommended for use in racing engines including exotic fuels, nitrous, and forced-induction.Part TypeEngine Rotating Assembly Kit
BrandEAGLE
Package Height12.0
Package Width21.0
Package Length30.0
Weight91.1 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)5
Gaskets IncludedNo
Rear Main Seal Style2-piece
Main Bearing Undersize (In.)Stock
Crankshaft IncludedYes
Piston Rings IncludedYes
Bore (Mm)102.362
Actual Engine Cid383
Engine Stroke3.75 in (95.25 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
BalancedYes
Piston MaterialForged aluminum
Cam Bearings IncludedNo
Part FitmentSemi Universal
Plastigage IncludedNo
Lifters IncludedNo
Bore4.03 in (102.362 mm)
Vendor Part NumberB12011030
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
Connecting Rod Guide Tools Fits Rods with 3/8"-24 Rod Bolts or Cap Screws
Part Number : 555-80840
$2609$31.99
You Save$5.90
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
