Chevrolet Performance – 6.6L L8T Gen V LT Cast Iron Block (19420904)

$2,267.57

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Chevrolet Performance

TRUCK FREIGHT FOR SHIPPING BLOCK WILL BE BILLED IN ADDITION TO COST OF BLOCK

Chevrolet Performance has introduced a L8T cast-iron GEN V engine block that is very likely completely new to even the most knowledgeable enthusiast. This 6.6L production block is the foundation for your direct-injected performance engine that may see more horsepower than a lightweight aluminum block was designed for.

• Direct replacement for 2020 and later L8T 6.6L gas engines used in Silverado HD trucks
• Production cast-iron casting finished with 4.065’’ (103.25 mm) cylinder bores
• Used with a 3.86’’ stroke crankshaft in production engines to produce 400 cu in. (6.6L) displacement — the largest displacement in the LT engine family
• 9.240’’ deck height
• Delivered bare with regular-production six-bolt main caps
• Regular-production oiling circuit
• Includes provisions for direct fuel injection

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SKU: 19420904 Category: Brand:
Description

Chevrolet Performance has introduced a L8T cast-iron GEN V engine block that is very likely completely new to even the most knowledgeable enthusiast. This 6.6L production block is the foundation for your direct-injected performance engine that may see more horsepower than a lightweight aluminum block was designed for.

• Direct replacement for 2020 and later L8T 6.6L gas engines used in Silverado HD trucks
• Production cast-iron casting finished with 4.065’’ (103.25 mm) cylinder bores
• Used with a 3.86’’ stroke crankshaft in production engines to produce 400 cu in. (6.6L) displacement — the largest displacement in the LT engine family
• 9.240’’ deck height
• Delivered bare with regular-production six-bolt main caps
• Regular-production oiling circuit
• Includes provisions for direct fuel injection

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Questions & Answers (4)

Customer questions & answers

    Can I use this block en my corvette c7 LT1 engine.... is the same block?
  1. Q Can I use this block en my corvette c7 LT1 engine.... is the same block? answer now
    Asked by Gabriel on January 15, 2024 12:50 pm
    A Not identical blocks but can be used in the corvette chassis, but heres the link to the stock block for your application https://gwatneyperformance.com/product/chevrolet-performance-lt1-lt4-bare-6-2l-gen-v-block-19431901/
    2. Can I use a crank of 4.000 inch ?because I have a 416cid kit and I want to use a iron block thanks
  2. Q Can I use a crank of 4.000 inch ?because I have a 416cid kit and I want to use a iron block thanks answer now
    Asked by Gabriel on December 5, 2023 11:03 pm
    A You should be able to, not sure if the block will need to be stroker clearanced or not just have to assemble and see
    3. You have 6.6 duramax 2013 engine block and cranchaf
  3. Q You have 6.6 duramax 2013 engine block and cranchaf answer now
    Asked by Francisco on August 14, 2023 1:37 am
    A We do not sell any diesel components
    4. I’m looking to build a high rpm motor I got the heads which are LT 1 heads I want to know if GPI can help me using the L8T engine block with selecting the right size crankshaft, rods and pistons for boost. I want to go with a smaller crankshaft to turn up the motor faster and get it up in the high rpm range faster. I own a 2023 2SS Camaro 1LE
  4. Q I’m looking to build a high rpm motor I got the heads which are LT 1 heads I want to know if GPI ...... Read more answer now
    Asked by Demetrius S Rankin on March 5, 2023 7:29 pm
    A Yes we can, contact us at support@gwatneyperformance.com so we can better assist you.

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