Eagle 629464070 Pro Street LS 416 CI Rotating Assembly

The Eagle 629464070 Pro Street Rotating Assembly is engineered for naturally-aspirated racing applications and delivers exceptional performance for Chevrolet LS3 builds. This complete 416 cubic inch stroker kit transforms a standard LS3 block into a high-displacement powerhouse capable of producing up to 750 horsepower.

Complete Assembly Includes:

• Forged 4140 steel crankshaft with 4.000" stroke and 58-tooth reluctor
• Forged 4340 steel I-beam connecting rods, 6.125" center-to-center length
• 7/16" ARP 8740 rod bolts for maximum strength and reliability
• Mahle forged 4032 aluminum pistons, -5.8cc flat top design, 4.070" bore
• Plasma-moly file-fit piston rings (1.0mm, 1.0mm, 2.0mm)
• 0.927" diameter piston pins
• King XP performance rod and main bearings

This is an unbalanced assembly that requires professional balancing by a qualified machine shop before installation. Designed specifically for LS3 blocks with 4.070" bore, this kit creates an 11.1:1 compression ratio with 72cc combustion chambers. The assembly provides increased displacement and torque for serious performance builds, street rods, and racing applications.

Note: Harmonic damper and flexplate/flywheel are not included and must be purchased separately.