1975 Engine Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

BluePrint Builder Series 454/563HP Standard Edition Carbureted Crate Engine and TKX Trans Combos B454KTKX

454 c.i. Standard Edition Builder Series, Carbureted, TKX Manual Transmission /w Polished Pulley Kit. Incl. 30 month/50,000 warranty & Dyno

Part Number: MLL-B454KTKX

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

BluePrint Builder Series 598/741HP Standard Edition EFI Crate Engine and 4L80E Transmission Combos B598FK4L8

598 c.i. Standard Edition Builder Series, Fuel Injected, 4L80E Automatic Transmission /w Polished Pulley Kit. Incl. 30 month/50,000 warranty & Dyno

Part Number: MLL-B598FK4L8

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

BluePrint Builder Series 598/741HP Standard Edition EFI Crate Engine and 4L80E Transmission Combos B598FKB4L8

598 c.i. Standard Edition Builder Series, Fuel Injected, 4L80E Automatic Transmission /w Black Pulley Kit. Incl. 30 month/50,000 warranty & Dyno

Part Number: MLL-B598FKB4L8

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

BluePrint Builder Series 598/741HP Standard Edition Carbureted Crate Engine and 4L80E Trans Combos B598KB4L8

598 c.i. Standard Edition Builder Series, Carbureted, 4L80E Automatic Transmission /w Black Pulley Kit. Incl. 30 month/50,000 warranty & Dyno

Part Number: MLL-B598KB4L8

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

BluePrint Builder Series 427W/541HP Cobra Edition EFI Crate Engine and 4R70W Transmission Combos BF427FK4R7C

CRATE ENGINE

Part Number: MLL-BF427FK4R7C

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

BluePrint Builder Series 427W/541HP Cobra Edition Carbureted Crate Engine and 4R70W Trans Combos BF427K4R7C

427 c.i. Cobra Edition Builder Series, Carbureted, 4R70W Automatic Transmission w/Polished Pulley Kit. Incl. 30 months/50,000 warranty & Dyno

Part Number: MLL-BF427K4R7C

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

BluePrint Builder Series 427W/541HP Cobra Edition Carbureted Crate Engine and TKX Trans Combos BF427KTKXC

427 c.i. Cobra Edition Builder Series, Carbureted, TKX Manual Transmission w/Polished Pulley Kit. Incl. 30 months/50,000 warranty & Dyno

Part Number: MLL-BF427KTKXC

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

BluePrint Builder Series 408/465HP Standard Edition Carbureted Crate Engine/A727 Transmission Combos BC408KB727

427 c.i. Standard Edition Builder Series, Carbureted, 727 Automatic Transmission w/ Black Pulley Kit. Incl. 30 month/50,000 warranty & Dyno

Part Number: MLL-BC408KB727

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Summit Racing™ 1973-76 Mopar A-Body 426 C.I.D. 610 HP EFI Engine Swap Pro Packs CMB-08-0276

Engine Swap Combos, BluePrint Pro Series Mopar Engine, Black Pulleys, Engine Mount, Frame Mount, Headers, Transmission Crossmember, Mopar, Kit

Part Number: CMB-08-0276

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

S&S Cycle SH-Series Engines 31-9905

Complete Engine, SH-Series, Alternator Style, 93 in., 585 Cam, Super E Carb, Natural/Black Finish, Polished Covers, Harley-Davidson®, Shovelhead, Each

Part Number: SSY-31-9905

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today