Eagle 12302L060 Competition Rotating Assembly Small Block Chevy - 350

The Eagle 12302L060 is a high-performance competition rotating assembly designed for small block Chevrolet 350 engines with a 1-piece rear main seal (1986-1999 applications). This complete rotating assembly kit delivers the strength and reliability needed for demanding high-performance builds up to 750 horsepower.

Complete Kit Includes:

• Eagle 4340 forged steel crankshaft with 3.480-inch stroke and 350 main journals
• Eagle 5.700-inch H-beam connecting rods with 7/16-inch ARP 8740 cap screw rod bolts
• Icon 4032 forged flat-top pistons (-3.7cc) with performance ring set
• H-series race rod and main bearings

Key Specifications:

• Compression ratio: 10.1:1 with 64cc heads, 10.8:1 with 58cc heads, 8.9:1 with 76cc heads
• Designed for 1-piece rear main seal blocks (1986-1999)
• Supports engine builds up to 750 horsepower (900+ HP with rod bolt upgrades)
• Unbalanced assembly - internal balancing required before installation

This competition-grade rotating assembly features premium forged components throughout, making it ideal for serious street performance, strip racing, and high-boost applications. The forged 4340 steel crankshaft and H-beam connecting rods provide exceptional strength, while the Icon forged pistons deliver durability under extreme conditions.