Shop Summit LS Long Block

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$11,399.00
Blueprint Motorsports GM LS Compatible 427 C.I. Pro Series Engine - Naturally Aspirated - Long Block
American Powertrain
$11,399.00
Blueprint Motorsports GM LS Compatible 427 C.I. Pro Series Engine - Naturally Aspirated - Long Block
American Powertrain
$8,299.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Long Block - No ECU / Harness
American Powertrain
$8,299.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Long Block - No ECU / Harness
American Powertrain
$8,299.00
Blueprint Pro Series GM LS 376 Long Block Crate Engine 520 HP 1960
CJ Pony Parts
Free shipping
$8,299.00
Blueprint Pro Series GM LS 376 Long Block Crate Engine 520 HP 1960
CJ Pony Parts
$23,699.00
GM LS Compatible 427 C.I. Pro Series Engine - 800 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$23,699.00
GM LS Compatible 427 C.I. Pro Series Engine - 800 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$8,299.00
Blueprint Engines Pro Series GM LS 376 Crate Engine Long Block 520 HP
Classic Muscle Parts
Free shipping
$8,299.00
Blueprint Engines Pro Series GM LS 376 Crate Engine Long Block 520 HP
Classic Muscle Parts
$14,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 600 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$14,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 600 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$26,199.00
GM LS Compatible 427 C.I. Pro Series Engine - 800 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$26,199.00
GM LS Compatible 427 C.I. Pro Series Engine - 800 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$10,299.00
Blueprint Engines Pro Series 427CI Long GM LS-Style Engine 1978
CJ Pony Parts
Free shipping
$10,299.00
Blueprint Engines Pro Series 427CI Long GM LS-Style Engine 1978
CJ Pony Parts
$16,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Deluxe Dressed - Polished Pulley Kit - Holley Terminator X EFI System
American Powertrain
$16,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Deluxe Dressed - Polished Pulley Kit - Holley Terminator X EFI System
American Powertrain
$14,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$14,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$26,099.00
GM LS Compatible 427 C.I. Pro Series Engine - 800 Horsepower - Deluxe Dressed - Natural Pulley Kit - Holley Terminator X EFI System
American Powertrain
$26,099.00
GM LS Compatible 427 C.I. Pro Series Engine - 800 Horsepower - Deluxe Dressed - Natural Pulley Kit - Holley Terminator X EFI System
American Powertrain
$16,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 600 Horsepower - Deluxe Dressed - Polished Pulley Kit - Holley Terminator X EFI System
American Powertrain
$16,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 600 Horsepower - Deluxe Dressed - Polished Pulley Kit - Holley Terminator X EFI System
American Powertrain
$15,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 605 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$15,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 605 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$13,899.00
GM LS Compatible 376 C.I. Pro Series Engine - 525 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$13,899.00
GM LS Compatible 376 C.I. Pro Series Engine - 525 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$11,799.00
GM LS Compatible 376 C.I. Pro Series Engine - 510 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$11,799.00
GM LS Compatible 376 C.I. Pro Series Engine - 510 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$16,699.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$16,699.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$12,199.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$12,199.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$17,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 605 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$17,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 605 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$14,099.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Deluxe Dressed - Polished Pulley Kit - Holley Terminator X EFI System
American Powertrain
$14,099.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Deluxe Dressed - Polished Pulley Kit - Holley Terminator X EFI System
American Powertrain
$3,249.99
LS Engine Block | Summit Racing SUM-150215
Summit Racing
Free shipping
$3,249.99
LS Engine Block | Summit Racing SUM-150215
Summit Racing
$15,599.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$15,599.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$10,499.00
Blueprint Engines Pro Series 376CI Base GM LS-Style Engine 1971
CJ Pony Parts
Free shipping
$10,499.00
Blueprint Engines Pro Series 376CI Base GM LS-Style Engine 1971
CJ Pony Parts
$296.99
Chevy LS Mockup Replica Block | Summit Racing SUM-774001
Summit Racing
5
Free shipping
$296.99
Chevy LS Mockup Replica Block | Summit Racing SUM-774001
Summit Racing
$11,999.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Base Dressed - No ECU / Harness
American Powertrain
$11,999.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Base Dressed - No ECU / Harness
American Powertrain
$13,299.00
Blueprint Engines Pro Series 427CI Base GM LS-Style Engine 1978
CJ Pony Parts
Free shipping
$13,299.00
Blueprint Engines Pro Series 427CI Base GM LS-Style Engine 1978
CJ Pony Parts
$13,299.00
GM LS Compatible 427 C.I. Pro Series Engine - 600 Horsepower - Base Dressed - No ECU / Harness
American Powertrain
$13,299.00
GM LS Compatible 427 C.I. Pro Series Engine - 600 Horsepower - Base Dressed - No ECU / Harness
American Powertrain
$10,199.00
GM LS Compatible 376 C.I. Pro Series Engine - 525 Horsepower - Base Dressed - No ECU / Harness
American Powertrain
$10,199.00
GM LS Compatible 376 C.I. Pro Series Engine - 525 Horsepower - Base Dressed - No ECU / Harness
American Powertrain
$514.99
Chevy LS 6.0L, 4" Inch Bore, Coated Forged Pistons | Summit Racing SUM-17407C
Summit Racing
1
Free shipping
$514.99
Chevy LS 6.0L, 4" Inch Bore, Coated Forged Pistons | Summit Racing SUM-17407C
Summit Racing
$10,199.00
Blueprint Pro Series GM LS 376 Base Crate Engine 525 HP No ECU/Harness CMP
Classic Muscle Parts
Free shipping
$10,199.00
Blueprint Pro Series GM LS 376 Base Crate Engine 525 HP No ECU/Harness CMP
Classic Muscle Parts
$10,199.00
Blueprint Pro Series GM LS 376 Base Crate Engine 525 HP No ECU/Harness 1963
CJ Pony Parts
Free shipping
$10,199.00
Blueprint Pro Series GM LS 376 Base Crate Engine 525 HP No ECU/Harness 1963
CJ Pony Parts
$13,299.00
GM LS Compatible 427 C.I. Pro Series Engine - 605 Horsepower - Base Dressed - No ECU / Harness
American Powertrain
$13,299.00
GM LS Compatible 427 C.I. Pro Series Engine - 605 Horsepower - Base Dressed - No ECU / Harness
American Powertrain
$17,499.00
Blueprint Engines Pro Series GM LS 427 Crate Engine Base Dressed 605 HP W/ Holley Terminator X EFI/ Polished Pulley Kit 1948
CJ Pony Parts
Free shipping
$17,499.00
Blueprint Engines Pro Series GM LS 427 Crate Engine Base Dressed 605 HP W/ Holley Terminator X EFI/ Polished Pulley Kit 1948
CJ Pony Parts
$10,499.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Base Dressed - No ECU / Harness
American Powertrain
$10,499.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Base Dressed - No ECU / Harness
American Powertrain
$388.99
Summit Racing SUM-381448: Summit Racing Pro LS Swap Radiators
Summit Racing
Free shipping
$388.99
Summit Racing SUM-381448: Summit Racing Pro LS Swap Radiators
Summit Racing
$19,450.95
Edelbrock 46725 Victor Jr. Gm LS 416 Crate Engine Long Block ONLY Carbureted 1952
CJ Pony Parts
Free shipping
$19,450.95
Edelbrock 46725 Victor Jr. Gm LS 416 Crate Engine Long Block ONLY Carbureted 1952
CJ Pony Parts
$13,299.00
GM Big Block Compatible 540 C.I. Pro Series Engine - 670 Horsepower - Long Block
American Powertrain
$13,299.00
GM Big Block Compatible 540 C.I. Pro Series Engine - 670 Horsepower - Long Block
American Powertrain
Our new Summit Racing Chevy LS 5.3L 450 horsepower long block crate engine is a great option for LS swappers looking for more power in a convenient, affordable package. Take a closer look in the video below and check out more specs here: https://www.summitracing.com/parts/sum-150153 | Summit Racing Equipment
3:01
Our new Summit Racing Chevy LS 5.3L 450 horsepower long block cr…
10.9K viewsApr 15, 2020
FacebookSummit Racing Equipment
2.8K views · 39 reactions | You asked, and we listened! We released our Summit Racing Pro LS camshafts in July. The cams were well received--so much so that you chimed in with some great ideas for additional grinds. The result: two new truck swap cams and three new TURBO grinds. Check out this video to see what's new: | Summit Racing Equipment | Facebook
7:49
2.8K views · 39 reactions | You asked, and we listened! We releas…
2.9K views2 weeks ago
FacebookSummit Racing Equipment
How To Build An LS Engine: Short Block Assembly
How To Build An LS Engine: Short Block Assembly
Mar 15, 2023
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Installing Our Summit Pro Ls Pistons & Rods In Our Boosted 5.3 (C.C. Build)
20:53
Installing Our Summit Pro Ls Pistons & Rods In Our Boosted 5.…
9.9K viewsMar 25, 2022
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C5 Corvette Summit Pro LS Stage 3 Cam Idle
4.2K viewsJan 30, 2021
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summit pro ls stage 4 cam first start up.
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3.8K viewsOct 13, 2021
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38.8K viewsMay 21, 2019
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179K viewsJun 14, 2016
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951.2K viewsDec 11, 2017
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Shop Summit LS Long Block

Sponsored
About our ads
$11,399.00
Blueprint Motorsports GM LS Compatible 427 C.I. Pro Series Engine - Naturally Aspirated - Long Block
American Powertrain
$11,399.00
Blueprint Motorsports GM LS Compatible 427 C.I. Pro Series Engine - Naturally Aspirated - Long Block
American Powertrain
$8,299.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Long Block - No ECU / Harness
American Powertrain
$8,299.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Long Block - No ECU / Harness
American Powertrain
$8,299.00
Blueprint Pro Series GM LS 376 Long Block Crate Engine 520 HP 1960
CJ Pony Parts
Free shipping
$8,299.00
Blueprint Pro Series GM LS 376 Long Block Crate Engine 520 HP 1960
CJ Pony Parts
$23,699.00
GM LS Compatible 427 C.I. Pro Series Engine - 800 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$23,699.00
GM LS Compatible 427 C.I. Pro Series Engine - 800 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$8,299.00
Blueprint Engines Pro Series GM LS 376 Crate Engine Long Block 520 HP
Classic Muscle Parts
Free shipping
$8,299.00
Blueprint Engines Pro Series GM LS 376 Crate Engine Long Block 520 HP
Classic Muscle Parts
$14,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 600 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$14,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 600 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$26,199.00
GM LS Compatible 427 C.I. Pro Series Engine - 800 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$26,199.00
GM LS Compatible 427 C.I. Pro Series Engine - 800 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$10,299.00
Blueprint Engines Pro Series 427CI Long GM LS-Style Engine 1978
CJ Pony Parts
Free shipping
$10,299.00
Blueprint Engines Pro Series 427CI Long GM LS-Style Engine 1978
CJ Pony Parts
$16,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Deluxe Dressed - Polished Pulley Kit - Holley Terminator X EFI System
American Powertrain
$16,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Deluxe Dressed - Polished Pulley Kit - Holley Terminator X EFI System
American Powertrain
$14,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$14,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$26,099.00
GM LS Compatible 427 C.I. Pro Series Engine - 800 Horsepower - Deluxe Dressed - Natural Pulley Kit - Holley Terminator X EFI System
American Powertrain
$26,099.00
GM LS Compatible 427 C.I. Pro Series Engine - 800 Horsepower - Deluxe Dressed - Natural Pulley Kit - Holley Terminator X EFI System
American Powertrain
$16,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 600 Horsepower - Deluxe Dressed - Polished Pulley Kit - Holley Terminator X EFI System
American Powertrain
$16,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 600 Horsepower - Deluxe Dressed - Polished Pulley Kit - Holley Terminator X EFI System
American Powertrain
$15,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 605 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$15,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 605 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$13,899.00
GM LS Compatible 376 C.I. Pro Series Engine - 525 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$13,899.00
GM LS Compatible 376 C.I. Pro Series Engine - 525 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$11,799.00
GM LS Compatible 376 C.I. Pro Series Engine - 510 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$11,799.00
GM LS Compatible 376 C.I. Pro Series Engine - 510 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$16,699.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$16,699.00
GM LS Compatible 427 C.I. Pro Series Engine - 585 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$12,199.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$12,199.00
GM LS Compatible 376 C.I. Pro Series Engine - 530 Horsepower - Base Dressed - Holley Terminator X EFI System
American Powertrain
$17,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 605 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain
$17,599.00
GM LS Compatible 427 C.I. Pro Series Engine - 605 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System
American Powertrain