Availability
ATK High Performance Engines Engine Assemblies
Crate Engine, GM 383 Stroker 500HP Stage 1, Long Block, Aluminum Heads, Each
Part Number: HPE-HP55
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines HP55C
Estimated Ship Date: Tomorrow
Short Block, Chevrolet 383 Stroker, Internal/External Balanced, +5cc Flat Top Pistons, Forged 4340 Steel Crankshaft, Each
Part Number: HPE-SP53
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Crate Engine, GM LM7, Complete Engine, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Fitech EFI, Each
Part Number: HPE-HP116C-EFI
Not Yet Reviewed
Estimated Ship Date: Jun 10, 2026 if ordered today
Estimated Ship Date: Jun 10, 2026 if ordered today
This product may not be eligible for select promotional offers
Crate Engine, GM LQ4, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 6.0L, LS3 Heads, Each
Part Number: HPE-HP110
Not Yet Reviewed
Estimated Ship Date: Jun 10, 2026 if ordered today
Estimated Ship Date: Jun 10, 2026 if ordered today
This product may not be eligible for select promotional offers
Engine Assembly, Stage 1 Crate Engine, Long Block, Ford, Small Block, 302, Each
Part Number: HPE-HP06
Estimated Ship Date: Sep 22, 2026 if ordered today
Estimated Ship Date: Sep 22, 2026 if ordered today
This product may not be eligible for select promotional offers
Short Block, Crate Engine, Cast, 1-Pc. Main Seal, Forged Internals, 4-Bolt Main, Internal/External Balance, 9.025 in. DH, Chevy, Small Block, 383,Each
Part Number: HPE-SP35
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Crate Engine, Chevy LQ4 6.0L, Long Block, Internal Engine Balance, Aluminum Heads, Each
Part Number: HPE-HP109
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
This product may not be eligible for select promotional offers
Crate Engine, GM LM7, Long Block, Hydraulic Roller, 1-Piece RMS, Internal Engine Balance, with AFR Aluminum Heads, 58x Setup, Chevy, 5.3L, Each
Part Number: HPE-HP116-G4
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
This product may not be eligible for select promotional offers
Engine Assembly, Short Block, 2-Piece Main Seal, Ford, Big Block 385, 460, Each
Part Number: HPE-SP11
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
This product may not be eligible for select promotional offers
Short Block, Chevrolet 383 Stroker, Internal/External Balanced, +3.7cc Flat Top Pistons, Each
Part Number: HPE-SP52
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
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, 350, Each
Part Number: HPE-HP89M
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Chevy LS 408 Boosted/NOS Short Block 58 Tooth +10cc Dish
Part Number: HPE-SP26-B
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block Windsor, 351, Each
Part Number: HPE-HP09
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
This product may not be eligible for select promotional offers
Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block, 347, Each
Part Number: HPE-HP80
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Engine Assembly, Stage 2 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block Windsor, 351, Each
Part Number: HPE-HP09M
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
ATK High Performance Ford 351W 300 HP Stage 1 Long Block Crate Engines HP09
Estimated Ship Date: May 11, 2026
Crate Engines, Chrysler 5.7L Gen III Hemi 400 HP Long Block, 5.7L/345, Assembled, Aluminum Heads, without MDS, Chrysler, Dodge, Jeep, 5.7L, Each
Part Number: HPE-HP103T
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block Windsor, 351, Each
Part Number: HPE-HP11
This product may not be eligible for select promotional offers
Crate Engine, Mopar 360 Small Block Stage 3, 320 HP, Long Block, External Engine Balance, Magnum Heads, EFI, Each
Part Number: HPE-HP73C-EFI
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Short Block Engine, LM7 383, Chevy LS, Forged Crank, Forged Piston, Dish, +15 Piston Head Volume, I-Beam Rods, 6-Bolt Main, Internal Balance, Each
Part Number: HPE-SP78
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Engine Assembly, Stage 2 Crate Engine, Long Block, Ford, Small Block, 302, Each
Part Number: HPE-HP08M
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Short Block Engine, Chevy LS 408 Short Block, Remanufactured, Assembled, Internal Balance, 9.240 in. Deck Height, Chevrolet, 6.7L, Each
Part Number: HPE-SP36-B
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
This product may not be eligible for select promotional offers
Crate Engine, GM 350 Small Block Stage 3, 350 HP, Long Block, External/Internal Engine Balance, Vortec Heads, EFI, Each
Part Number: HPE-HP32C-EFI
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Small Block, 427, Each
Part Number: HPE-SP48
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
This product may not be eligible for select promotional offers
Engine Assembly, Stage 1 Crate Engine, Marine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each
Part Number: HPE-HP90
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
ATK High Performance Chevy LS 408 Short Block
Part Number: HPE-SP38
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
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