Availability
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP68
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
This product may not be eligible for select promotional offers
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP69
Not Yet Reviewed
This product may not be eligible for select promotional offers
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP70
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
This product may not be eligible for select promotional offers
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP71
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
This product may not be eligible for select promotional offers
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP72
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
This product may not be eligible for select promotional offers
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP74
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
This product may not be eligible for select promotional offers
Crate Engine, GM 6.2L, LS3, 525 HP, Internal Engine Balance, Aluminum Block and Heads, Each
Part Number: NAL-19435104
Not Yet Reviewed
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Monday 12/1/2025
Crate Engine, LS 376/525 LS3 Long Block, Internal Balance, Hydraulic Roller, OE Roller, Aluminum Block and Cylinder Heads, Chevrolet, 6.2L LS, Each
Part Number: NAL-19435110
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Crate Engine, GM 6.2L, LS3, 430 HP, Internal Engine Balance, Aluminum Block and Heads, Each
Part Number: NAL-19435098
Not Yet Reviewed
This product may not be eligible for select promotional offers
Crate Engine, Complete Long Block, Aluminum Heads, Hydraulic Roller Camshaft, Chevy, 383, Each
Part Number: HPE-HP101C
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
This product may not be eligible for select promotional offers
Engine Assembly, Stage 3 Crate Engine with EFI, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each
Part Number: HPE-HP89C-EFI
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
This product may not be eligible for select promotional offers
Engine and Transmission Combo, Complete, PCM, Alternator, Wiring Harness, 10R80 Transmission, 5.0L Coyote, Kit
Part Number: FMS-M-9000-M50AE
Not Yet Reviewed
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Crate Engine, Chrysler 360 Magnum Complete Long Block, Remanufactured, Cast Iron Block and Cylinder Heads, 9.3:1 Compression, Dodge, Jeep, 5.9L, Each
Part Number: HPE-HP113C
Not Yet Reviewed
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Monday 12/1/2025
Crate Engine, Chrysler 408 Stroker Magnum 465 HP Stage 1 Long Block, Assembled, Hydraulic Roller Tappet, Internal Balance, Aluminum Heads, Dodge, 6.7L
Part Number: HPE-HP46-MAG
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
This product may not be eligible for select promotional offers
Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each
Part Number: HPE-HP33C
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Jan 12, 2026
Crate Engine, Mid Dress Long Block, Aluminum Heads, Hydraulic Roller Camshaft, Chevy, 383, Each
Part Number: HPE-HP101M
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
This product may not be eligible for select promotional offers
Engine Assembly, Stage 3 Crate Engine, Long Block, 2-Piece Main Seal, Ford, Big Block 385, 460, Each
Part Number: HPE-HP19C
Estimated Ship Date: Dec 9, 2025 if ordered today
Estimated Ship Date: Dec 9, 2025 if ordered today
This product may not be eligible for select promotional offers
Crate Engine, GM 383 Stroker 500HP Stage 1, Long Block, Aluminum Heads, Each
Part Number: HPE-HP55
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
This product may not be eligible for select promotional offers
Crate Engine, SP350/357 Turn-Key Crate Engine
Part Number: NAL-19433034
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
This product may not be eligible for select promotional offers
Engine Assembly, Stage 3 Crate Engine, Long Block, Ford, Small Block, 302, Each
Part Number: HPE-HP79C
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
This product may not be eligible for select promotional offers
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
This product may not be eligible for select promotional offers
Engine Assembly, Stage 1 Crate Engine, Long Block, 2-Piece Main Seal, Ford, Big Block 385, 460, Each
Part Number: HPE-HP19
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
This product may not be eligible for select promotional offers
Short Block Engines, 502 C.I.D. Short Block, Forged Crankshaft, Flat Top Pistons, 4 Bolt, Includes Oil Pan, Timing Cover, Flexplate, Balancer, Each
Part Number: NAL-19433158
This product may not be eligible for select promotional offers
Engine Assembly, Stage 2 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each
Part Number: HPE-HP36M
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
This product may not be eligible for select promotional offers
Crate Engine, GM 383 Stroker Stage 3 with EFI, Long Block, Internal/External Engine Balance, Aluminum Heads, Each
Part Number: HPE-HP94C-EFI
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
This product may not be eligible for select promotional offers
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.