Engines and Components› Pistons and Piston Rings

Eagle

Eagle Chevy 350 1 Pc Rear Seal 4.03in Bore 3.75in Stroke + 0.030in Rotating Assembly Kit 5140 Steel

$1,390.99

SKU: E001 13055L030

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Overview

Eagle SB Chevy 383 stroker street strip rotating assembly designed for engine applications under 500 horsepower. Ideal for mild performance builds. Kit includes: Eagle Cast steel crankshaft (3.750" stroke, 2-piece rear main seal), Eagle forged 5140 steel "SIR" I-Beam rods (5.700" length, 3/8" ARP 8740 rod bolts), Hypereutectic Keith Black pistons with performance ring set, performance rod and main bearings. Unbalanced assembly; internal balancing required before installation.
Show original supplier description

Part #: 13055L030

Eagle Street & Strip Rotating Assemblies are perfect for pump gas, naturally aspirated, street vehicles.

3.750" Cast Crank,5.700" I-BEAM Rods,3/8" ARP 8740 BOLTS,HYPEREUTECTIC KB -7CC FLAT TOP 4.030" PISTONS,PLASMA-MOLY STANDARD G AP RINGS,KING SI Rod/MAIN BEARINGS.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandEagle
Part NumberE001 13055L030

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

View Full Shipping Policy