Specifications
- Brand
- Eagle
- Part #
- B627603780
- UPC
- 793348041094

Eagle Chevy 4.8/5.3 LS 4.000in Crank 58 Tth Relctr 6.125in I-Beam 3.780in Pistons Balanced Assembly
$2735.74
Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.
Eagle Chevy 4.8/5.3 LS rotating assembly. Balanced Pro Street assembly with 4.000" forged crank, 6.125" I-beam rods, and 3.780" pistons.
Key Features
- Fits Chevy 4.8L and 5.3L LS engines.
- Includes a balanced rotating assembly for smooth operation.
- Features a forged 4.000-inch 4140 steel crankshaft with a 58-tooth reluctor wheel.
- Comes with 6.125-inch 4340 I-beam connecting rods secured by 7/16-inch ARP 8740 bolts.
- Includes forged 4032 DSS flat-top pistons (3.780-inch bore) with plasma-moly file-fit rings.
- Equipped with King XP rod and main bearings.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
If you're building a naturally-aspirated LS engine for racing, this balanced rotating assembly from Eagle is a solid foundation. It's designed for Chevy 4.8L and 5.3L LS applications, giving you a strong core to build around. This assembly includes a forged 4.000-inch crankshaft made from 4140 steel, which is a strong material for handling the stresses of performance engines. It also features a 58-tooth reluctor wheel, essential for proper engine management on many LS platforms.
The connecting rods are 6.125-inch long I-beams, forged from 4340 steel for durability, and they come equipped with 7/16-inch ARP 8740 bolts. These bolts are well-known for their strength and reliability in high-performance applications. The pistons are forged 4032 DSS flat-tops with a -5cc dish, measuring 3.780 inches in diameter, and they come with plasma-moly file-fit rings. This setup is balanced as an assembly, which is crucial for smooth operation and longevity in a performance engine. King XP rod and main bearings are included, offering good performance for racing use.
This rotating assembly is intended for naturally-aspirated racing use. Please note that this part is not CARB approved and cannot be shipped to California. It's always a good idea to consult with your engine builder or refer to manufacturer documentation for specific installation details and compatibility with your build.
Specifications
- Brand
- Eagle
- Manufacturer Part #
- B627603780
- UPC
- 793348041094
Frequently Asked Questions
You Might Also Like
Similar products from the same category

Eagle Nissan RB26 Engine Connecting Rods (Set of 6)

Eagle Chevy 454 1Pc 4.250in Crank 6.385in I-Beam Rods 18cc Dome 4.280in Pistons Rotating Assembly

Eagle Oldsmobile 455 4.250in Stroke Cast Crankshaft

Eagle Chevy LS7 4.125in Crank 24 Tth Reluctor 6.125in H-Beam -5cc 4.135in Pistons Rotating Assembly
Eagle Chevy 4.8/5.3 LS 4.000in Crank 58 Tth Relctr 6.125in I-Beam 3.780in Pistons Balanced Assembly
