Specifications
- Brand
- Eagle
- Part #
- 129544125
- UPC
- 793348009865

Eagle Chevy LS7 4.125in LongSnout Crank 58 Tth Relctr 6.125in H-Beam Rod 4.125in Piston Rot Assembly
$2940.29
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Eagle Chevy LS7 rotating assembly with 4.125" forged crank, 6.125" H-beam rods, and Mahle pistons. Built for high-performance racing.
Key Features
- Fits Chevy LS7 engines.
- Includes a 4.125-inch forged 4340 steel crankshaft with a long snout and 58-tooth reluctor.
- Features 6.125-inch H-beam connecting rods with 7/16-inch ARP 8740 bolts.
- Comes with forged 4032 Mahle -8cc flat-top pistons (4.125-inch bore) and plasma-moly file-fit rings.
- Includes King XP rod and main bearings.
- Designed for racing applications, including nitrous and forced induction.
⚠️ 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 high-output Chevy LS7 engine for serious racing, this Eagle Competition Rotating Assembly is a solid foundation. It's designed to handle the demands of competition, including the stresses of nitrous and forced induction setups. This assembly includes a forged crankshaft, connecting rods, pistons, rings, and bearings, all balanced and ready to be installed into your LS7 block.
The heart of this assembly is a 4.125-inch forged 4340 steel crankshaft, chosen for its strength and durability under extreme loads. Paired with it are 6.125-inch H-beam connecting rods, known for their robust design, secured with 7/16-inch ARP 8740 bolts for reliable performance. The pistons are forged 4032 Mahle flat-tops with a -8cc dish, measuring 4.125 inches in diameter, and come with plasma-moly file-fit rings for a good seal. King XP rod and main bearings are included to ensure smooth operation and longevity for the rotating assembly.
This assembly is a complete package for those looking to maximize the performance of their LS7 engine. It's important to note that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and balancing procedures to ensure optimal performance and reliability.
Specifications
- Brand
- Eagle
- Manufacturer Part #
- 129544125
- UPC
- 793348009865
Frequently Asked Questions
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