Eagle 515144160 Competition Rotating Assembly for Pontiac 400

The Eagle 515144160 Competition Rotating Assembly is a high-performance complete engine rebuild kit designed specifically for Pontiac 400 cubic inch V8 engines. This comprehensive assembly delivers race-ready components engineered for demanding applications including nitrous oxide and forced induction systems.

Complete Assembly Includes:

• 4.500-inch stroke forged 4340 steel crankshaft for exceptional strength and durability
• 6.800-inch H-beam connecting rods with 7/16-inch ARP 8740 bolts
• Forged 4032 aluminum DSS pistons with -24cc inverted dome design, 4.160-inch bore
• Plasma-moly file-fit piston rings for superior sealing and break-in
• King XP series rod and main bearings for high-performance applications

Performance Features:

• Forged 4340 steel crankshaft provides maximum strength for high horsepower builds
• H-beam rods with ARP 8740 fasteners deliver excellent power handling capability
• Inverted dome pistons optimize combustion chamber geometry
• Premium King XP bearings ensure reliability under extreme conditions

Important Compatibility Note:

This rotating assembly is not compatible with 1976 Pontiac 400 blocks due to factory notches at the top of the cylinders. Please verify your block casting number and year before ordering.

Eagle Competition Rotating Assemblies are engineered for serious performance applications and are ideal for drag racing, road racing, and high-boost applications. Professional balancing is recommended before installation.