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Pro Street Rotating Assembly, Chev BB 491, 4.250" Stroke, Mini Dome |
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Street/Strip Rotating Assembly
These high performance kits are perfect for street and weekend drags. They feature a cast steel crank, 4340 steel rods with ARP capscrews, Icon FHR pistons, Clevite performance rod and main bearings, and moly rings.
Part Type: Rotating Assembly
Application: Chev BB (2-Piece Rear Seal)
Deck Height: 9.800"
Main Bearing Type: 454
Bore: 4.310"
Stroke: 4.250"
Actual Cubic Inch: 496
Crankshaft: Cast Steel
Pistons: Icon FHR Forged Pistons
Piston Dome Type/Volume: 23cc Dome (Open Chamber Design)
Compression: 10.5 w/119cc
Piston Pins: Included
Connecting Rods: Scat 6.385" Forged 4340 I-Beam (Bushed) w/ARP Capscrews
Rings: Enginetech Moly Racing (Pre-Gapped)
Rod Bearings: Clevite (P-Series)
Main Bearings: Clevite (P-Series)
Balanced: No
Flexplate Included: No
Harmonic Balancer Included: No
Manufacturer: Competition Products
Manufacturer's Part Number: ST496MD
Quantity: Sold as Kit
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