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Cognito Block & U-Bolt Kits - GM 2001-2010 2500HD

COGBUK10-2500HD
From $172.89 (CAD)
Cognito's Block & U-Bolt kits for your 2001 - 2010 GMC/Chevy Duramax 6.6L 2/4WD 2500HD truck with the LB7, LLY, LBZ, or LMM motor - multiple product variants - see details inside.

Cognito Block & U-Bolt Kits - GM 2001-2010 3500HD

COGBUK10-3500HD
From $172.89 (CAD)
Cognito's Block & U-Bolt kits for your 2001 - 2010 GMC/Chevy Duramax 6.6L 2/4WD 3500HD truck with the LB7, LLY, LBZ, or LMM motor - multiple product variants - see details inside.

Cognito Block & U-Bolt Kits - GM 2011-2019 2500HD

COGBUK11-2500HD
From $224.95 (CAD)
Cognito's Block & U-Bolt kits for your 2011-2019 GMC/Chevy Duramax 6.6L 2/4WD 2500HD truck with the LML/L5P motor - multiple product variants - see details inside.

Cognito Block & U-Bolt Kits - GM 2011-2019 3500HD

COGBUK11-3500HD
From $224.95 (CAD)
Cognito's Block & U-Bolt kits for your 2011-2019 GMC/Chevy Duramax 6.6L 2/4WD 3500HD truck with the LML/L5P motor - multiple product variants - see details inside.