My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Eagle 21209055 Chrysler BB 440-499 Competition Rotating Assembly Kit

Manufacturer

Part Number

21209055
Sale Price

$2,876.12

Estimated ship date Friday, November 27

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Eagle 21209055 Competition Rotating Assembly is a complete high-performance stroker kit designed to transform your Chrysler Big Block 440 engine into a powerful 499 cubic inch powerplant. This competition-grade assembly delivers the durability and performance needed for serious street/strip applications and high-horsepower builds.

Kit Includes:

  • Eagle 4340 forged steel crankshaft with 4.150-inch stroke
  • Eagle 6.760-inch H-beam connecting rods with 7/16-inch ARP 8740 bolts
  • Icon forged pistons with -23.7cc dish
  • Performance piston rings
  • Rod and main bearings
  • Configured for 2-piece rear main seal

Key Features:

  • Increases displacement from 440ci to 499ci for substantial power gains
  • Forged 4340 steel crankshaft provides exceptional strength and durability
  • H-beam connecting rods are designed for high-RPM and high-boost applications
  • Forged pistons handle extreme cylinder pressures and temperatures
  • ARP 8740 fasteners ensure reliable rod cap retention
  • Complete assembly ready for professional balancing and installation

This Eagle Competition Rotating Assembly is ideal for Chrysler RB-series engines in performance builds producing over 500 horsepower. The forged internals are engineered to withstand the rigors of high-performance street use, drag racing, and forced induction applications. Professional balancing is required before installation.

Quick and reasonable

Great pricing and availability offered.

N/A

They had what I needed at a good price and got it to me in good time. Recommended!

Everything went well

Everything looks good.

Great vendor

10/10 service.

Pretty quick an painless

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy