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  • LS Coolant Steam Port Block Off Plate Pair LS1 LS2 LS3 LS6 LM7 LH6 LQ4 LQ9 LR4 4.8 5.3 5.7 6.0 6.2 7.0
  • LS Coolant Steam Port Block Off Plate Pair LS1 LS2 LS3 LS6 LM7 LH6 LQ4 LQ9 LR4 4.8 5.3 5.7 6.0 6.2 7.0
  • LS Coolant Steam Port Block Off Plate Pair LS1 LS2 LS3 LS6 LM7 LH6 LQ4 LQ9 LR4 4.8 5.3 5.7 6.0 6.2 7.0

    • LS Coolant Steam Port Block Off Plate Pair LS1 LS2 LS3 LS6 LM7 LH6 LQ4 LQ9 LR4 4.8 5.3 5.7 6.0 6.2 7.0

    ICT Billet

    $21.99
    (1 review) Write a Review
    SKU:
    551693
    UPC:
    682384790151
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    Product Description

    ICT Billet 551693 Coolant Steam Port Plugs

    Fit front and rear coolant steam ports on all LS-Based V8 engine heads. 

    Includes 2 coolant port plugs, 2 o-rings, and 2 bolts

    • Compatible with all GM LS series engines

    • Can be installed on the front or rear of the cylinder heads

    • Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum

    *These do NOT have holes for crossover tube attachment

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    • 5
      Coolant block offs

      Posted by Amanda Pipes on Jun 20th 2024

      Arrived on time and installation was only 5 minutes