Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

Save Now on Select Lighting Products!

Availability

CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components

Showing In Stock Items. Show All 1403 Items.

Individual Parts
Part Groups

Results 1 - 25 of 199

Holley Mid-Mount Complete Accessory Systems 20-185BK

Holley Mid-Mount Complete Accessory Systems 20-185BK

Holley Mid-Mount Complete Accessory Systems 20-185BK

Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Clockwise, Power Steering, AC, SD-7, Black Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-185BK

4.69 out of 5 stars ( 26 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP Long Block Crate Engines PSLS37630CT

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP Long Block Crate Engines PSLS37630CT

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP Long Block Crate Engines PSLS37630CT

Crate Engine, Long Block, GM LS Series 376 C.I.D., 520 HP, Internal Balance, Aluminum Cylinder Heads, Chevy, 6.2L LS, Each

Part Number: MLL-PSLS37630CT

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Chevrolet Performance LSX 454 Long Block Crate Engines 19417357

Chevrolet Performance LSX 454 Long Block Crate Engines 19417357

Chevrolet Performance LSX 454 Long Block Crate Engines 19417357

Crate Engine, Long Block, LSX454, Hydraulic Roller Tappet, 1-Piece Rear Main, Orange Valve Covers, Gen III/IV LS, Chevy, Each

Part Number: NAL-19417357

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Holley Mid-Mount Complete Accessory Systems 20-185

Holley Mid-Mount Complete Accessory Systems 20-185

Holley Mid-Mount Complete Accessory Systems 20-185

Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Clockwise, Power Steering, AC, SD-7, Natural Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-185

4.71 out of 5 stars ( 28 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

BluePrint Engines Chevy LS 376 C.I.D. 530 HP EFI Retrofit Dressed Long Block Crate Engines PSLS3760CTF

BluePrint Engines Chevy LS 376 C.I.D. 530 HP EFI Retrofit Dressed Long Block Crate Engines PSLS3760CTF

BluePrint Engines Chevy LS 376 C.I.D. 530 HP EFI Retrofit Dressed Long Block Crate Engines PSLS3760CTF

Crate Engine, Base Long Block, GM LS Series 376 C.I.D., Internal Engine Balance, Aluminum Cylinder Heads, Chevy, 6.2L LS, Each

Part Number: MLL-PSLS3760CTF

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP EFI Base Dressed Long Block Crate Engines PSLS3763CTFK

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP EFI Base Dressed Long Block Crate Engines PSLS3763CTFK

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP EFI Base Dressed Long Block Crate Engines PSLS3763CTFK

Crate Engine, Fully Dressed Long Block, GM LS Series 376 C.I.D., Internal Engine Balance, Aluminum Cylinder Heads, Chevy, 6.2L LS, Each

Part Number: MLL-PSLS3763CTFK

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Summit Racing™ Forged Crankshafts SUM-180LS400058

Summit Racing™ Forged Crankshafts SUM-180LS400058

Summit Racing™ Forged Crankshafts SUM-180LS400058

Summit Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400058

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

AFR 260cc LS3 Mongoose Cylinder Heads 1845

AFR 260cc LS3 Mongoose Cylinder Heads 1845

AFR 260cc LS3 Mongoose Cylinder Heads 1845

Cylinder Heads, LS3, Aluminum, 260cc Intake Runner Volume, 95cc Exhaust Runner Volume, Pair

Part Number: AFR-1845

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Summit Racing™ SPC Pro LS Block SUM-150216

Summit Racing™ SPC Pro LS Block SUM-150216

Summit Racing™ SPC Pro LS Block SUM-150216

Engine Block, Pro LS, Bare, Cast Iron, 6-bolt Main Bolt Style, 6 Head bolt Pattern, 9.240 in. Std. Deck 4.125 in. Bore, GenIII/IV LS Chevrolet, Each

Part Number: SUM-150216

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP EFI Base Dressed Long Block Crate Engines PSLS37630CTF

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP EFI Base Dressed Long Block Crate Engines PSLS37630CTF

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP EFI Base Dressed Long Block Crate Engines PSLS37630CTF

Crate Engine, Base Long Block, GM LS Series 376 C.I.D., Internal Engine Balance, Aluminum Cylinder Heads, Chevy, 6.2L LS, Each

Part Number: MLL-PSLS37630CTF

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Chevrolet Performance LSX376 Crate Engines 19434412

Chevrolet Performance LSX376 Crate Engines 19434412

Chevrolet Performance LSX376 Crate Engines 19434412

Crate Engine, LSX376-B15, Long Block, 6.2L, 376cid, 473 HP, 9.0:1 Compression, Cast Iron Block, Aluminum Heads, Hydraulic Roller Cam, Chevy, GMC, Each

Part Number: NAL-19434412

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Summit Racing™ Pro LS Crankshafts SUM-180LS362224X

Summit Racing™ Pro LS Crankshafts SUM-180LS362224X

Summit Racing™ Pro LS Crankshafts SUM-180LS362224X

Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 24X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS1

Part Number: SUM-180LS362224X

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

BluePrint Builder Series LS376/530HP Standard Edition EFI Crate Engine and 4L65/70E Trans Combos BLS3763KB4L7

BluePrint Builder Series LS376/530HP Standard Edition EFI Crate Engine and 4L65/70E Trans Combos BLS3763KB4L7

BluePrint Builder Series LS376/530HP Standard Edition EFI Crate Engine and 4L65/70E Trans Combos BLS3763KB4L7

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

Part Number: MLL-BLS3763KB4L7

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Summit Racing™ Pro LS Crankshafts SUM-180LS400058X

Summit Racing™ Pro LS Crankshafts SUM-180LS400058X

Summit Racing™ Pro LS Crankshafts SUM-180LS400058X

Pro LS 4340 Forged Steel Crank, 4.000 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS400058X

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP EFI Base Dressed Long Block Crate Engines PSLS3763CTF

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP EFI Base Dressed Long Block Crate Engines PSLS3763CTF

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP EFI Base Dressed Long Block Crate Engines PSLS3763CTF

Engine Complete Assembly Iron Block 376 c.i. GM LS style proseries dressed engine with efi -. incl. 30 month / 50,000 warranty & Dyno

Part Number: MLL-PSLS3763CTF

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Callies Compstar Crankshafts APO-31Q-CS58

Callies Compstar Crankshafts APO-31Q-CS58

Callies Compstar Crankshafts APO-31Q-CS58

Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Snout. 58-tooth GM Reluctor, Ea.

Part Number: CPI-APO31Q-CS58

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

Crate Engine, Chevy LQ4 6.0L, Long Block, Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP93

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

ATK High Performance Chevy LS 408 Short Blocks SP26-B

ATK High Performance Chevy LS 408 Short Blocks SP26-B

ATK High Performance Chevy LS 408 Short Blocks SP26-B

Chevy LS 408 Boosted/NOS Short Block 58 Tooth +10cc Dish

Part Number: HPE-SP26-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Holley Mid-Mount Complete Accessory Systems 20-180BK

Holley Mid-Mount Complete Accessory Systems 20-180BK

Holley Mid-Mount Complete Accessory Systems 20-180BK

Accessory Drive Systems, LS Mid-Mount, Serpentine Style, Alternator, Water Pump, Power Steering, A/C, Hardware, Black Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-180BK

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Summit Racing™ Forged Crankshafts SUM-180LS362258

Summit Racing™ Forged Crankshafts SUM-180LS362258

Summit Racing™ Forged Crankshafts SUM-180LS362258

Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362258

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 625HP EFI Retrofit Dressed Long Block Crate Engines PSLS4272CTF

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 625HP EFI Retrofit Dressed Long Block Crate Engines PSLS4272CTF

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 625HP EFI Retrofit Dressed Long Block Crate Engines PSLS4272CTF

Crate Engines, Pro Series Chevy LS 427 C.I.D. 625 HP EFI, Long Block, 7.0L/427, Assembled, No Intake/ECU, Chevrolet, Small Block LS, 58X Reluctor,Each

Part Number: MLL-PSLS4272CTF

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 605 HP EFI Base Dressed Long Block Crate Engines PSLS4273CTF

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 605 HP EFI Base Dressed Long Block Crate Engines PSLS4273CTF

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 605 HP EFI Base Dressed Long Block Crate Engines PSLS4273CTF

Engine Complete Assembly Iron Block 427 c.i. GM LS style proseries dressed engine with efi -. incl. 30 month / 50,000 warranty & Dyno

Part Number: MLL-PSLS4273CTF

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Holley Mid-Mount Complete Accessory Systems 20-186BK

Holley Mid-Mount Complete Accessory Systems 20-186BK

Holley Mid-Mount Complete Accessory Systems 20-186BK

Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Counterclockwise, Power Steering, GM 2, Black Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-186BK

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

AFR 260cc LS3 Mongoose Cylinder Heads 1840

AFR 260cc LS3 Mongoose Cylinder Heads 1840

AFR 260cc LS3 Mongoose Cylinder Heads 1840

Cylinder Heads, LS3, Aluminum, 260cc Intake Runner Volume, 95cc Exhaust Runner Volume, 6 Bolt, Pair

Part Number: AFR-1840

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify