Availability
ATK High Performance Engines Engine Assemblies
Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block, 347, Each
Part Number: HPE-HP80
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Crate Engines, GM 408 LQ4 Stroker 600 HP Stage 1 Long Block, 6.7L/408, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each
Part Number: HPE-LS01
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
CRATE ENGINE, Chev 350 390HP Black
Part Number: HPE-HP89CBLK
Not Yet Reviewed
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
Crate Engine, Base Long Block, Aluminum Heads, Hydraulic Roller Camshaft, Chevy, 383, Each
Part Number: HPE-HP101
Not Yet Reviewed
Estimated Ship Date: Jun 17, 2026 if ordered today
Estimated Ship Date: Jun 17, 2026 if ordered today
This product may not be eligible for select promotional offers
Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +4cc Flat Top Pistons, Each
Part Number: HPE-SP39-G4
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, New Short Block, 377 CI,Cast Iron, 4.0 Bore, 3.750 Stroke, Forged H Beam Rod, Forged Aluminum Flat Top Pistons, Internal Balanced, Chevy, Each
Part Number: HPE-SP53NB
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, New Short Block, 377 CI,Cast Iron, 4.0 Bore, 3.750 Stroke, Forged I Beam Rod, Forged Aluminum Flat Top Pistons, Internal Balanced, Chevy, Each
Part Number: HPE-SP52NB
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
Crate Engines, Chrysler 5.7L Gen III Hemi 400 HP Long Block, 5.7L/345, Assembled, Aluminum Cylinder Heads, with MDS, Chrysler, Dodge, Jeep, 5.7L, Each
Part Number: HPE-HP103
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Short Block, Chevrolet LS Gen IV 364, Internally Balanced, 24 Tooth Reluctor, +3.2cc Flat Top Pistons, Each
Part Number: HPE-SP93-G4
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
Crate Engines, Chrysler 408 Stroker Magnum 465 HP Stage 2 Long Block, 6.7L/408, Assembled, Intake Manifold, Aluminum Heads, Dodge, 6.7L Magnum, Each
Part Number: HPE-HP46M-MAG
Not Yet Reviewed
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
This product may not be eligible for select promotional offers
Chevy LM-7/LS 347CI Short Block +11cc Dished Pistons 24 Tooth
Part Number: HPE-SP76
Not Yet Reviewed
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
CRATE ENGINE, Chev 383 415HP Polished
Part Number: HPE-HP94CPOL
Not Yet Reviewed
Estimated Ship Date: Jun 17, 2026 if ordered today
Estimated Ship Date: Jun 17, 2026 if ordered today
This product may not be eligible for select promotional offers
Crate Engine, GM 383 Stroker, Marine, 380 HP, Long Block, External/Internal Engine Balance, Aluminum Heads, Each
Part Number: HPE-HP96
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, Short Block, Assembled, Internal Balance, 1-Piece Rear Main Seal Style, Dart SHP Block, 427 C.I.D., Ford, Each
Part Number: HPE-SP112
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
SHORT BLOCK ENGINE
Part Number: HPE-SPE3881500
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, Short Block, LT1/LT4, 6.2L/376, 4.065 in. Bore, 3.622 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each
Part Number: HPE-SP103
Not Yet Reviewed
Estimated Ship Date: Jun 26, 2026 if ordered today
Estimated Ship Date: Jun 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Engine, New Short Block, 377 CI,Cast Iron, 4.0 Bore, 3.750 Stroke, Forged H Beam Rod, Forged Aluminum Dish Top Pistons, Internal Balanced, Chevy, Each
Part Number: HPE-SP35NB
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
5.7L Gen 3 Hemi Motor
Part Number: HPE-HP111
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
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