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Industrial Injection LB7 race long block (R/R only) is a race-spec long block for 2000–2004 Chevrolet LB7 Duramax applications, offered as an R/R-only assembly. Built for high-load use, this long block comes prepared for race-focused engine builds and includes upgraded internal components as specified. It serves builders who require a ready race long block for LB7 Duramax projects where reman/rebuild service terms apply.
Industrial Injection 00-04 Chevrolet LB7 Duramax Race Performance Long Block (R/R Only)
