Eagle 143023375 Big Block Chevy Street Performance Rotating Assembly 295ci 4.125" Stroke

The Eagle 143023375 is a complete balanced rotating assembly designed for Big Block Chevy engines with 454 main journals. This Street Performance kit delivers reliable power for engines producing up to 500 horsepower, making it an excellent choice for street and mild performance applications.

Key Specifications:

• Displacement: 295 cubic inches at 0.188" overbore
• Stroke: 4.125 inches
• Connecting Rod Length: 7.000 inches
• Piston Design: +14cc domed pistons for increased compression
• Piston Rings: Standard gap plasma-moly rings
• Main Journal Size: 454 main journals (2.750")
• Rod Journal Size: 2.100 inches

Complete Assembly Includes:

• Eagle cast steel crankshaft with 4.125" stroke
• Eagle SIR forged I-beam connecting rods
• ARP 8740 3/8" connecting rod bolts
• Hypereutectic aluminum pistons with +14cc dome
• Hastings plasma-moly piston rings with standard gap
• King SI series connecting rod and main bearings
• 168-tooth flexplate (for 2-piece seal applications)
• Harmonic balancer

This assembly comes fully balanced from Eagle and requires no additional balancing work. The cast steel crankshaft features improved fillet radiuses for enhanced strength and durability. The domed pistons allow for custom compression ratio tuning based on your cylinder head chamber volume. Compatible with Big Block Chevy 2-piece rear main seal blocks.