Eagle 129424070 Competition LS Rotating Assembly - 4.070" Bore

The Eagle 129424070 Competition Rotating Assembly is engineered for high-performance LS engine builds producing up to 750 horsepower. This complete rotating assembly features premium forged components designed to deliver exceptional strength, reliability, and performance in demanding applications.

Key Features:

• Forged 4340 steel crankshaft with 3.622" stroke for enhanced durability
• 6.125" forged H-beam connecting rods with 7/16" ARP 8740 bolt upgrade
• 58-tooth reluctor wheel compatible with late-model LS applications
• Forged 4032 aluminum Mahle pistons with -4cc flat top design
• 4.070" bore size for increased displacement
• Complete with piston rings and engine bearings
• Designed for 8-cylinder LS engine platforms

This competition-grade rotating assembly is ideal for street/strip applications, forced induction builds, and high-RPM racing engines. The forged 4340 crankshaft provides superior strength over cast units, while the H-beam rods offer an excellent balance of weight and rigidity. Professional balancing recommended before installation.