Eagle 129524125 LS7 Rotating Assembly 4.125" Bore 58T Reluctor 427ci

The Eagle 129524125 is a complete rotating assembly designed for GM LS7 engines with a 4.125-inch standard bore configuration. This performance kit delivers a complete internal engine solution for high-performance street and competition applications.

Complete Assembly Includes:

• Forged 4340 steel crankshaft with 58-tooth reluctor wheel
• 6.125-inch forged H-beam connecting rods
• 7/16-inch ARP 8740 rod bolts for superior strength
• Forged 4032 aluminum Mahle pistons with -5.8cc flat top design
• Piston rings and rod and main bearings

Key Features:

• Forged 4340 steel crankshaft provides exceptional durability for high-stress racing applications
• H-beam connecting rods offer an optimal balance of strength and weight
• ARP 8740 fasteners ensure reliable rod cap retention under extreme loads
• 58-tooth reluctor wheel for proper engine management system compatibility
• Mahle forged pistons deliver excellent thermal characteristics and dimensional stability

Eagle Specialty Products manufactures high-strength connecting rods and crankshafts specifically engineered for racing engines. This rotating assembly represents a complete, quality solution for builders seeking reliable performance components at competitive pricing. Assembly requires proper balancing by a qualified machine shop before installation.