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LS Race Block

LS Race Block

LS Aluminum Race Block Tall Deck 4.100 Bore Unfinished

Part number (SKU): 54904

Dimensions: 17.50 x 20.50 x 26 cm

Weight: 140

Brand: RHS RHS

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Original Price: $7,064.88


Unfinished, Requires Bore and Hone.

This block has a 9.750 deck height with a 4.100 bore and a 6.38 cylinder sleeve length. Cylinder walls are Siamese cast with press-in cast iron sleeves. 12AN feeds for dry sumps. Aircraft-quality A357-T6 aluminum. 6-Head Bolt Design.

In recent years, LS engine technology has revolutionized the GM performance aftermarket. Gen IV engines have set a new standard for factory horsepower and torque. To meet the growing demand of today?s high performance engine builders and racing enthusiasts, engineers at RHSesigned an aluminum LS engine block for radical street and all-out racing applications.

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