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BluePrint Builder Series LS427/585HP Standard Edition EFI Crate Engine and 4L65/70E Trans Combos BLS4278K4L7

Engine 427 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, 4L65/70E Automatic Transmission w/ Polished Pulley Kit

Part Number: MLL-BLS4278K4L7

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Engine 427 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, T56 Manual Transmission w/ Black Pulley Kit

Part Number: MLL-BLS4278KBT56

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Engine 427 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, T56 Manual Transmission w/ Polished Pulley Kit

Part Number: MLL-BLS4278KT56

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Crate Engines, GM 408 LQ4 550 HP Stage 1 Long Block, 6.7L/408, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-408BOOSTLB

Not Yet Reviewed

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Crate Engine, 427 Stroker, GM LS Compatible Stroker Engine, Deluxe Dressed, Fuel Injected, with Polished Pulley Kit, Chevy, Each

Part Number: MLL-PSLS4278CTFK

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Crate Engine, GM 5.3L, LM7, 385 HP, Long Block, Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP97

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025