Eagle Chevrolet Big Block Rotating Assembly with 4.280in Bore 4.250in Stroke +17cc Dome - 11509030

Eagle Competition Rotating Assemblies are perfect for all forms of racing use including nitrous and forced-induction.

Specifications

• Competition assembly
• Displacement: 489
• Pistons: SRP
• Dome Volume: 17CC
• Piston Alloy: 4032
• Bore Size: 4.280"
• Rings: 1/16", 1/16", 3/16"
• Pin Size: .990"
• Stroke: 4.250"
• Crank Material: forged 4340
• Bearings: King XP
• Damper Included: no
• Flexplate / Flywheel Included: no