Availability
ATK High Performance Engines Engine Assemblies
Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, LS, 408, Each
Part Number: HPE-LS01C
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, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +10cc Dish Pistons, Each
Part Number: HPE-SP37-G4-B
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
Engines, Dart Short Block, 427 C.I.,, Cast Iron, 4.125 Bore, 4.00 Stroke, Flat Top Forged Aluminum Pistons, H Beam Connecting Rod, LS, Chevy, Each
Part Number: HPE-SPE4271500
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, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +18cc Dish Pistons, Each
Part Number: HPE-SP38-G4-B
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, Ford 347 Stroker 410 HP Stage 3 Long Block with EFI, 5.7L/347, Assembled, External, 28 oz. Imbalance, Ford, Small Block Windsor, Each
Part Number: HPE-HP80C-EFI
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, GM 489 Stroker 565 HP Stage 2 Long Block, 8.0L/489, Assembled, Intake Manifold, Aluminum Heads, Chevrolet, 7.4L Gen V, 8.0L Gen V, Each
Part Number: HPE-HP411PM
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, GM 489 Stroker 565 HP Stage 3 Long Block, 8.0L/489, Assembled, Aluminum Heads, Carbureted, Chevrolet, 7.4L Big Block Gen V, Each
Part Number: HPE-HP411PC
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, GM 502 515 HP Stage 1 Long Block, 8.2L/502, Assembled, External Balance, Cast Iron Cylinder Heads, Chevrolet, 7.4L, 8.2L, Each
Part Number: HPE-HP95
Not Yet Reviewed
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: 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, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +4cc Flat Top Pistons, Each
Part Number: HPE-SP39-G4-B
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, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 58 Tooth Reluctor, +10cc Dish Pistons, Each
Part Number: HPE-SP26-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
Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +29cc Dish Pistons, Each
Part Number: HPE-SP40-G4
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 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, Ford, Small Block, 347, Each
Part Number: HPE-HP20C
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 BLOCK
Part Number: HPE-SPE3881800
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
This product may not be eligible for select promotional offers
Crate Engines, Ford 502 545 HP Stage 3 Long Block, 8.2L/502, Assembled, Internal Balance, Aluminum Cylinder Heads, EFI, Ford, Big Block, Each
Part Number: HPE-HP19C-EFI
Not Yet Reviewed
This product may not be eligible for select promotional offers
Chevy LS 408 Boosted/NOS Short Block 24 Tooth -10cc Dish
Part Number: HPE-SP37-B
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
This product may not be eligible for select promotional offers
Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each
Part Number: HPE-SP45
Not Yet Reviewed
This product may not be eligible for select promotional offers
CHEV 383CI 415HP-STREET TBI Cam
Part Number: HPE-HP94-TBI
Not Yet Reviewed
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, 393, Each
Part Number: HPE-HP17
Not Yet Reviewed
This product may not be eligible for select promotional offers
Crate Engines, GM 365 LQ4 550 HP Stage 1 Long Block, 6.0L/364, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each
Part Number: HPE-LQ4-LB-1
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, Ford, Small Block Windsor, 408, Each
Part Number: HPE-HP81M
Not Yet Reviewed
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: 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, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +10cc Dish Pistons, Each
Part Number: HPE-SP26-G4-B
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
LQ4 364CI 550HP L/B
Part Number: HPE-LQ4-LB-2
Not Yet Reviewed
This product may not be eligible for select promotional offers
Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +18cc Dish Pistons, Each
Part Number: HPE-SP38-G4
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
This product may not be eligible for select promotional offers
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