Chevrolet Performance 19436495 GM Gen V LT-Series 6.6L Cast Iron Bare Block

• Direct replacement for L8T 6.6L engine that debuted in the 2020 Silverado and Sierra HD trucks
• Designed for the stock 3.860 in. stroke for providing 6.6L, the largest displacement in the Gen V LT-Series
• Drilled Inter-Bore cooling holes for excellent cooling between the cylinder heads and block
• 9.240 in. Standard Deck Height
• 1-Piece Rear Main Seal
• Use only with LT1 - style cylinder heads
• 4.065 in. finished bore (103.25mm)
• Production Oiling System
• Provision for Direct Fuel Injection

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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