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  • $1,049.00

    Dominate the field with our fully assembled XS230-Race H/L high performance SBC cylinder heads! These high flow AC4B castings feature 100% CNC ported intake/exhaust runners…

  • $999.00

    Product Info Coming Soon! Bare cylinder heads. NO VALVE TRAIN INCLUDED    WARNING: Cancer and Reproductive Harm –  www.p65warnings.ca.gov   SOLD INDIVIDUALLY

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    $849.00

    Gain an advantage over the competition with our XS230 high performance SBC cylinder heads! These high flow AC4B castings include 100% CNC ported intake/exhaust runners…

  • $499.00

    Our high flowing “As-Cast” cylinder heads are made out of high quality AC4B aluminum alloy and feature a street performance 3-angle valve job, bronze valve…

  • $549.00

    Our high flowing “As-Cast” cylinder heads are made out of high quality AC4B aluminum alloy and feature a street performance 3-angle valve job, bronze valve…

  • $899.00

    Gain an advantage over the competition with our XS356 high performance BBC cylinder heads! These high flow AC4B castings include 100% CNC ported intake/exhaust runners…

  • $599.00

    Product Info Coming Soon! Bare cylinder heads. NO VALVE TRAIN INCLUDED    WARNING: Cancer and Reproductive Harm –  www.p65warnings.ca.gov   SOLD INDIVIDUALLY