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Creating massive horsepower of 620+, the ATK LS02 LS3 415CI 620HP Base Engine can generate huge mid to upper end power with a noticeable idle. This engine is built with aluminum cylinder heads and forged internal components and sealed oil galley plugs for enhanced performance and durability.
ATK specializes in muscle. With the highest quality internal parts and Dyno Proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty.
Don't forget the engine paint!
To get $10 OFF your order!