Availability
Crate Engines, GM LM7/LS1 383CI 515 Plus HP Stage 1 Long Block, 6.3L/383, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each
Part Number: HPE-LM7-LB-3
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Crate Engines, GM 365 LQ9 550 HP Stage 1 Long Block, 6.0L/364, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each
Part Number: HPE-LQ9-LB-1
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
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Not Yet Reviewed
Estimated Ship Date: Tomorrow
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: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Crate Engines, GM 415 LS3 Stroker 620 HP Stage 1 Long Block, 6.8L/415, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each
Part Number: HPE-LS02
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, LS, 415, Each
Part Number: HPE-LS02C
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
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: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
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: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +18cc Dish Pistons, Each
Part Number: HPE-SP31-G4-B
Not Yet Reviewed
Estimated Ship Date: Dec 26, 2025 if ordered today
Estimated Ship Date: Dec 26, 2025 if ordered today
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: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
ATK High Performance Chevy LS 408 Short Block
Part Number: HPE-SP36
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
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: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
ATK High Performance Chevy LS 408 Short Block
Part Number: HPE-SP39
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
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: Oct 31, 2025 if ordered today
Estimated Ship Date: Oct 31, 2025 if ordered today
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: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +29cc Dish Pistons, Each
Part Number: HPE-SP40-G4-B
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Short Block, Chevrolet Big Block Gen V 489/496 Stroker, Internally Balanced, Forged Crankshaft, +20cc Dome Pistons, Each
Part Number: HPE-SP41-1P
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each
Part Number: HPE-SP45
Not Yet Reviewed
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP67
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP68
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP69
Not Yet Reviewed
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP70
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP71
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
SHORT BLOCK, LS3 415CI Boost Shortblock 58T
Part Number: HPE-SP71-B
Not Yet Reviewed
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP72
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP74
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
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