Engines and Components› Pistons and Piston Rings

Eagle

Eagle Chevy 4.8/5.3 LS 3.900in Crank 58 Tth Rlctor 6.125in H-Beam 3.898in Pistons Rotating Assembly

$3,047.04

SKU: E001 138713898

In Stock
In Stock
Ships by Jun 19
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

Eagle 138713898 - Chevy 4.8/5.3 LS 3.900in Crank 58 Tth Rlctor 6.125in H-Beam 3.898in Pistons Rotating Assembly. Competition Assembly Chevy 4.8/5.3 LS. Eagle Competition Rotating Assemblies are perfect for all forms of racing use including nitrous and forced-induction.

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 138713898

Videos

Summit Pro LS 5.3L Engine Build Part 2. Crank Rods And Pistons Assembly. The Completed Shortblock!

Summit Pro LS 5.3L Engine Build Part 2. Crank Rods And Pistons Assembly. The Completed Shortblock!
Summit Pro LS 5.3L Engine Build Part 1. Engine Machining + Gapping Piston Rings Ring End Gap Turbo

Summit Pro LS 5.3L Engine Build Part 1. Engine Machining + Gapping Piston Rings Ring End Gap Turbo
Episode 12 - 5.3L LC9 new parts review

Episode 12 - 5.3L LC9 new parts review
Difference between the Gen III and Gen IV LS rod

Difference between the Gen III and Gen IV LS rod
HOW TO: THE ULTIMATE 510-HP, ALL MOTOR JUNKYARD 5.3L BUILD. STEP BY STEP BUILD & FULL DYNO RESULTS

HOW TO: THE ULTIMATE 510-HP, ALL MOTOR JUNKYARD 5.3L BUILD. STEP BY STEP BUILD & FULL DYNO RESULTS
Installing Gen 4 pistons and rods in our 5.3 LS along with gaping the rings and Cam installation.

Installing Gen 4 pistons and rods in our 5.3 LS along with gaping the rings and Cam installation.
LS 5.3L Vs 4.8L Crankshaft Differences GM LS crankshaft

LS 5.3L Vs 4.8L Crankshaft Differences GM LS crankshaft
Speed Secrets: Why Build a 5.3 Stroker?

Speed Secrets: Why Build a 5.3 Stroker?

Buy with Confidence

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