LS Aluminum Race Block
LS Aluminum Race Block Standard Deck 4.165 Bore
Part number (SKU): 54902U
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Original Price: $7,849.79
Bored and Ready To Hone.
This block has a 9.240 deck height with a 4.165 bore and a 5.87 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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