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

Eagle B12303000 Competition Rotating Assembly Small Block Chevy Stroker - 383 Kit

Manufacturer

Part Number

B12303000
Sale Price

$2,501.68

Estimated ship date Wednesday, November 25

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 B12303000 is a balanced competition-grade rotating assembly designed for high-performance Small Block Chevy 383 stroker engine builds. This complete kit is engineered to support power levels up to 1000 horsepower and is suitable for all forms of racing use including nitrous oxide and forced-induction applications.

Complete Assembly Includes:

  • Eagle 4340 forged steel crankshaft with 3.750-inch stroke and 350 main journals
  • Eagle 4340 forged steel H-beam connecting rods, 6.000-inch length with 7/16-inch ARP 8740 rod bolts
  • Icon 4032 forged aluminum pistons with inverted dome configuration
  • Performance piston ring set with file-fit capability
  • Performance-grade rod and main bearings

Key Features:

  • Factory balanced by Eagle - ready to install with no additional machine work required
  • All-forged construction for maximum strength and durability
  • 2-piece rear main seal configuration for classic Small Block Chevy applications
  • Standard bore size (4.000 inches) suitable for .000 overbore
  • Designed for internal balance without heavy metal
  • Supports extreme power adders including turbos, superchargers, and nitrous systems

This premium rotating assembly eliminates the guesswork of sourcing individual components and ensures all parts work together harmoniously for reliable performance in demanding racing applications.

Just great!

Good experience.

Boatplicity.com offers a user-friendly site with a wide selection of boat parts at competitive prices. Shipping was prompt. Overall, a positive experience and I recommend it for boat needs

Great responsiveness. Received the product in 2 days, very pleased.

My first order from THMOTORSPORTS so far has been great. I will happily rate it again after receiving the part.

Very Good

Quick checkout

great product and service

Fast delivery

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