Eagle 36120030 Heavy Duty Rotating Assembly CID Chevy Small Block - 383

The Eagle 36120030 is a Heavy Duty rotating assembly designed for extreme competition engines, including applications with exotic fuels, heavy nitrous, and high boost turbo or supercharger setups. This complete 383 cubic inch kit features a forged 4340 steel crankshaft with 3.750" stroke, 5.700" H-Beam connecting rods with 7/16" ARP L19 bolts, and forged 2618 aluminum JE pistons with -31cc inverted dome designed for forced induction applications at 4.030" bore.

Key Features:

• Forged 4340 steel crankshaft with 3.750" stroke for maximum strength
• 4340 H-Beam connecting rods at 5.700" length with 7/16" ARP L19 bolts
• JE forged 2618 aluminum pistons with -31cc inverted dome configuration
• 4.030" bore size with .927" piston pins
• Plasma-moly file fit piston rings (1/16", 1/16", 3/16")
• King XP series rod and main bearings included
• 2618 pistons built specifically for high boost levels or heavy nitrous use

Important Notes:

• Assembly must be balanced by a qualified machine shop before use
• Harmonic damper and flexplate/flywheel not included
• Designed for Chevrolet Small Block 350 engines with 1-piece rear main seal configuration

This unbalanced kit is intended for professional engine builders and serious racers who demand the highest level of performance and durability from their rotating assembly components.