Availability
Chevy LS 408 Boosted/NOS Short Block 24 Tooth +18cc Dish
Part Number: HPE-SP38-B
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Chevy LS 408 Boosted/NOS Short Block 58 Tooth +10cc Dish
Part Number: HPE-SP26-B
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Chevy LS 408 Boosted/NOS Short Block 58 Tooth -18cc Dish
Part Number: HPE-SP31-B
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Chevy LS 408 Boosted/NOS Short Block 24 Tooth -10cc Dish
Part Number: HPE-SP37-B
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +29cc Dish Pistons, Each
Part Number: HPE-SP36-G4-B
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, -4cc Flat Top Pistons, Each
Part Number: HPE-SP32-G4-B
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
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: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Short Block, Chrysler Gen III 392, Internally Balanced, Nitrous/Boost, +2cc Flat Pistons, Each
Part Number: HPE-SP97-B
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 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: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 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: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 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: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 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: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 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: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Chevy LS 408 Boosted/NOS Short Block 58 Tooth 4cc Flat Top
Part Number: HPE-SP32-B
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Engine Assembly, Short Block, Chevy, Small Block LS, 408, Each
Part Number: HPE-SP26
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
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: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Engine Assembly, Short Block, LT1/LT4, 6.8L/416, 4.065 in. Bore, 4.000 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each
Part Number: HPE-SP104
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 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: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Engine Assembly, Short Block, LT1/LT4, 6.8L/416, 4.065 in. Bore, 4.000 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each
Part Number: HPE-SP105
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +10cc Dish Pistons, Each
Part Number: HPE-SP37-G4
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Short Block, Chrysler Gen III 392, Internally Balanced, +2cc Flat Pistons, Each
Part Number: HPE-SP97
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
ATK High Performance Chevy LS 408 Short Block
Part Number: HPE-SP38
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
ATK High Performance Chevy LS 408 Short Block
Part Number: HPE-SP40
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 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: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 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-SP102
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
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