Eagle 87121870 Competition Rotating Assembly Nissan RB26 277 CID 87mm Bore

The Eagle 87121870 Competition Rotating Assembly is a complete high-performance engine kit engineered specifically for Nissan RB26 engines, delivering 277 cubic inches of displacement with an 87mm bore configuration. This competition-grade assembly is perfect for all forms of racing use including nitrous and forced-induction applications.

Complete Assembly Includes:

• 3.059" billet 4340 crankshaft for maximum strength and reliability
• 4.783" H-beam connecting rods with 3/8" ARP 2000 bolts
• Forged 2618 aluminum Traum pistons with 21cc dome design at 87mm bore
• Plasma-moly file-fit piston rings
• King XP rod and main bearings

Premium Construction:

• Forged 4340 steel billet crankshaft with 3.059" (77.7mm) stroke provides exceptional durability
• H-beam connecting rods manufactured from two-piece forgings for superior fatigue resistance
• Forged 2618 aluminum pistons optimized for high-boost and extreme power applications
• ARP 2000 fasteners ensure secure connections under extreme loads
• King XP performance bearings deliver maximum protection under racing conditions

Important: This assembly is sold unbalanced and must be balanced by a qualified machine shop before installation and use. Designed for serious racing applications where reliability and performance are critical.