Eagle B18021L030 Street & Strip Rotating Assembly - Chevy Big Block 454 489ci Stroker Kit

The Eagle B18021L030 is a balanced Street & Strip rotating assembly designed for Chevy 454 big block engines, featuring a cast crankshaft and hypereutectic pistons. This complete stroker kit increases displacement to 489 cubic inches, providing enhanced torque and horsepower for street and performance applications.

Complete Assembly Includes:

• Cast steel crankshaft with 4.250-inch stroke
• I-beam connecting rods with 6.385-inch center-to-center length
• 7/16-inch ARP 8740 rod bolts
• Hypereutectic aluminum pistons for 4.280-inch bore
• Plasma-moly file-fit piston rings
• King SI rod and main bearings
• Harmonic dampener and flexplate (externally balanced)

Eagle Street and Strip rotating assemblies consist of name-brand quality components for a wide range of engines at an affordable price. Assembly part numbers that begin with "B" are balanced by Eagle and require no additional balancing. This kit is ideal for naturally aspirated street engines producing under 500 horsepower and is designed for use with pump gas.

Application: Chevrolet 454 big block, 9.8-inch deck height, 2-piece rear main seal. Creates 489 cubic inch displacement with 4.280-inch bore and 4.250-inch stroke.