Eagle 515014185 Competition Rotating Assembly Kit for Pontiac 400 - 495 CID 4.500" Stroke

The Eagle 515014185 Competition Rotating Assembly is a high-performance 495 cubic inch stroker kit designed for Pontiac 400 engines. This assembly is perfect for all forms of racing use including nitrous and forced-induction applications.

Complete Kit Includes:

• 4.500" forged 4340 steel crankshaft for maximum strength and durability
• 6.800" H-Beam connecting rods with 7/16" ARP 8740 bolts
• Mahle forged 4032 aluminum pistons with -6cc flat top design, 4.185" bore
• Plasma-moly file fit piston rings (1.0mm, 1.0mm, 2.0mm)
• King XP series rod and main bearings
• 0.990" piston pins

Key Specifications:

• Displacement: 495 cubic inches
• Stroke: 4.500 inches
• Bore: 4.185 inches
• Rod Length: 6.800 inches (center to center)
• Rod Bolt Size: 7/16" ARP 8740

Important Notes:

• Assembly must be balanced by qualified machine shop before use
• Not compatible with 1967 Pontiac 400 blocks due to factory notches at the top of cylinders
• Damper and flexplate/flywheel not included

This competition-grade rotating assembly features forged 4340 steel construction throughout the reciprocating components, providing the strength needed for high-horsepower racing engines. The H-beam rod design offers an excellent strength-to-weight ratio, while the Mahle forged pistons are built to withstand extreme cylinder pressures from nitrous oxide or forced induction systems.