Eagle 42108001 Oldsmobile Street Strip Rotating Assembly - 455-454 Kit

The Eagle 42108001 Street & Strip Rotating Assembly provides a complete, cost-effective stroker solution for Oldsmobile 455 engines, delivering increased displacement to 454 cubic inches. This assembly offers the perfect alternative to reworking original equipment parts, with Eagle carefully selecting cost-effective components without sacrificing quality.

Complete Assembly Includes:

• Cast steel crankshaft with 4.500-inch stroke
• Forged 4340 steel H-beam connecting rods, 7.100-inch length
• 7/16-inch ARP 8740 connecting rod bolts
• Forged aluminum pistons with optimized compression
• Piston rings and bearings
• Balanced assembly for smooth operation

Eagle rotating assemblies feature forged 4340 center-counterweighted cranks and forged H-beam rods with ARP 2000 or L19 bolt upgrades, paired with purpose-built heavy-duty pistons. This Street & Strip assembly is recommended for use in naturally-aspirated, pump gas street engines. All Eagle rotating assemblies are test-fitted in-house to ensure proper component compatibility.

Designed specifically for Oldsmobile 455 blocks with 2-piece rear main seals and external balance requirements, this complete rotating assembly delivers reliable performance for high-performance street builds and weekend racing applications.