My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Eagle 137643905 LS Rotating Assembly - 3.622" Stroke Forged 4140 Crank 6.125" Rods

Manufacturer

Picture for manufacturer Eagle

Part Number

137643905
8 reviews
Sale Price

$2,573.33

Estimated ship date Friday, November 27

Check out with

ApplePay
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 137643905 is a complete rotating assembly engineered for LS engine applications. This professionally balanced kit provides all the essential internal components needed for a performance engine build or rebuild.

Key Components:

  • 3.622" stroke forged 4140 steel crankshaft with 58-tooth reluctor wheel for precise engine timing control
  • 6.125" center-to-center I-beam connecting rods constructed from high-strength steel
  • 7/16" ARP 8740 rod bolts for superior clamping force and reliability
  • Forged 4032 aluminum Mahle pistons with -4cc flat top design for optimized compression
  • Complete piston ring set, rod and main bearings included

Eagle Specialty Products is a trusted manufacturer of high-performance engine components for racing and street applications. Each rotating assembly is precision-balanced to minimize vibration and ensure smooth operation throughout the RPM range. The forged 4140 steel crankshaft offers excellent strength and durability, while the I-beam connecting rods provide a proven design for reliable performance. This assembly is ideal for builders looking to increase displacement or refresh their LS engine with quality aftermarket internals.

Auto is 1971 Lotus Elan. Not available in options

Great service easy checkout

Great job

The product description was spot on which helped me determine it was the right item for me. The item was a very reasonable price. Shipping was prompt. I would recommend this vendor to a friend and would purchase from them again.

We were very pleased with the quality of the bumper we purchased and the customer service was superb. We received both the bumper and kit within 3 days. This is the first time we ordered from Dirt Everywhere and we would not hesitate to order from them again. Thank You for the great service !!!

Easy process

Hard to find tire that was discontinued was available at THMotorSports. Happy to have it and overall good shopping experience.

Great service. Fast shipping

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