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New Longblock

All new 6.5 Diesel engine longblock. These new production long blocks are available build to order to replace many of the GM 6.5L Diesel engines in various years and applications. These are the AM General Optimizer longblocks, GEP Long Block. View more product details by selecting one of the available longblock configurations.
Products (Total Items: 4 )
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Engine - New Replacement Longblock Center Mount Turbo 6.5L Optimizer
$7,434.10
Custom Drop Ship Delivery
Engine - New Replacement Longblock Non Turbo 6.5L Optimizer
$7,340.78
Custom Drop Ship Delivery
Engine - New Replacement Longblock Side Mount Turbo 6.5L Optimizer
$7,371.89
Custom Drop Ship Delivery
Engine - New 18:1™ 6.5L Longblock Side Mount Turbo Truck
$8,933.23
Custom Engine Build Order