Eagle 129364070 Competition Rotating Assembly LS3 4.070" Bore 4.000" Stroke

The Eagle 129364070 is a Competition Rotating Assembly designed for Chevrolet LS3 engines, engineered for racing applications including nitrous and forced-induction use. This complete stroker kit provides the ultimate foundation for high-performance LS3 engine builds requiring maximum strength and reliability.

Key Features:

• 4.000" forged 4340 steel crankshaft with 24-tooth reluctor
• 6.125" H-beam connecting rods with 7/16" ARP 8740 bolts
• Forged 4032 Mahle pistons with -25cc inverted dome design
• 4.070" bore specification for LS3 applications
• Complete kit includes Hastings rings and high-performance Clevite or King bearings
• Delivers approximately 416 cubic inches of displacement

This Competition Rotating Assembly offers ultimate strength and reliability at affordable pricing for the most demanding racing applications. The assembly features a forged 4340 center-counterweighted crankshaft and purpose-built heavy-duty pistons designed for high boost levels or substantial nitrous applications. Professional balancing and machining is recommended before installation.