Engine Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

BluePrint Builder Series LS376/495HP Truck Edition EFI Crate Engine and 4L65/70E Trans Combos BLS3768KB4X4

Engine 376 c.i. LS Builder Series Truck Edition Iron Block, Fuel Injected, 4L65/70E Automatic Transmission 4WD Ready w/ Black Pulley Kit

Part Number: MLL-BLS3768KB4X4

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS376/530HP Standard Edition EFI Crate Engine and T56 Transmission Combos BLS3768KBT56

Engine 376 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, T56 Manual Transmission w/ Black Pulley Kit

Part Number: MLL-BLS3768KBT56

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS376/530HP Standard Edition EFI Crate Engine and TKX Transmission Combos BLS3768KBTKX

Engine 376 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, TKX Manual Transmission w/ Black Pulley Kit

Part Number: MLL-BLS3768KBTKX

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS376/510HP Standard Edition EFI Crate Engine and ZF 8HP70 Trans Combos BLS3768KBZF

BluePrint Engines 376 c.i. GM LS Compatible Builder Series - Standard Edition - Fuel Injected - ZF Automatic Transmission - Black Pulley Kit

Part Number: MLL-BLS3768KBZF

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

BluePrint Builder Series LS376/510HP Standard Edition EFI Crate Engine and T56 Transmission Combos BLS3768KT56

Engine 376 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, T56 Manual Transmission w/ Polished Pulley Kit

Part Number: MLL-BLS3768KT56

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS376/530HP Standard Edition EFI Crate Engine and TKX Transmission Combos BLS3768TKX

Engine 376 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, TKX Manual Transmission

Part Number: MLL-BLS3768TKX

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/605HP Standard Edition EFI Crate Engine and 4L65/70E Trans Combos BLS4273K4L7

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

Part Number: MLL-BLS4273K4L7

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/605HP Standard Edition EFI Crate Engine and T56 Transmission Combos BLS4273KBT56

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

Part Number: MLL-BLS4273KBT56

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/605HP Standard Edition EFI Crate Engine and TKX Transmission Combos BLS4273KBTKX

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

Part Number: MLL-BLS4273KBTKX

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/605HP Standard Edition EFI Crate Engine and TKX Transmission Combos BLS4273KTKX

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

Part Number: MLL-BLS4273KTKX

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/605HP Standard Edition EFI Crate Engine and TKX Transmission Combos BLS4273TKX

Engine 427 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, TKX Manual Transmission

Part Number: MLL-BLS4273TKX

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/625HP Standard Edition EFI Crate Engine and 4L65/70E Trans Combos BLS42784L7

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

Part Number: MLL-BLS42784L7

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/625HP Standard Edition EFI Crate Engine and 4L65/70E Trans Combos BLS4278KB4L7

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

Part Number: MLL-BLS4278KB4L7

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/625HP Standard Edition EFI Crate Engine and TKX Transmission Combos BLS4278KBTKX

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

Part Number: MLL-BLS4278KBTKX

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/585HP Standard Edition EFI Crate Engine and T56 Transmission Combos BLS4278KT56

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: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/625HP Standard Edition EFI Crate Engine and T56 Transmission Combos BLS4278T56

Engine 427 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, T56 Manual Transmission

Part Number: MLL-BLS4278T56

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/625HP Standard Edition EFI Crate Engine and TKX Transmission Combos BLS4278TKX

Engine 427 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, TKX Manual Transmission

Part Number: MLL-BLS4278TKX

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 525 HP EFI Deluxe Dressed Long Block Crate Engines PSLS37651CTFKB

GM LS Compatible 376 c.i. Pro Series Engine - 525 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System

Part Number: MLL-S0063

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 510 HP EFI Deluxe Dressed Long Block Crate Engines PSLS37681CTFKB

GM LS Compatible 376 c.i. Pro Series Engine - 510 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System

Part Number: MLL-S0065

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 600 HP EFI Deluxe Dressed Long Block Crate Engines PSLS42751CTFKB

GM LS Compatible 427 c.i. Pro Series Engine - 600 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System

Part Number: MLL-S0067

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

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BluePrint Engines Pro Series Chevy LS 427 C.I.D. 605 HP Long Block Crate Engines PSLS42730CT

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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BluePrint Engines Pro Series Chevy LS 427 C.I.D. 585 HP EFI Deluxe Dressed Long Block Crate Engines PSLS42781CTFK

GM LS Compatible 427 c.i. Pro Series Engine - 585 Horsepower - Deluxe Dressed - Polished Pulley Kit - Holley Terminator X EFI System

Part Number: MLL-S0068

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 585 HP EFI Deluxe Dressed Long Block Crate Engines PSLS42781CTFKB

GM LS Compatible 427 c.i. Pro Series Engine - 585 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System

Part Number: MLL-S0069

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Engines Engine and Transmission Combos BLS4279SCT4L8

427 c.i. LS Builder Series - Standard Edition, Supercharged, 4L80E Automatic Transmission

Part Number: MLL-S0074

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/800HP Supercharged Crate Engine and T56 Trans Combos BLS4279SCTKT56

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

Part Number: MLL-S0021

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BluePrint Builder Series LS427/800HP Supercharged Crate Engine and T56 Trans Combos BLS4279SCTKBT56

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

Part Number: MLL-S0023

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today