Availability
Crate Engine, Boss, Short Block, Assembled, Internal Balance, 1-piece Rear Main Seal Style, Ford, 6.0L, Each
Part Number: FMS-M-6009-363
Estimated Ship Date: Aug 18, 2025 if ordered today
Estimated Ship Date: Aug 18, 2025 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: Oct 2, 2025 if ordered today
Estimated Ship Date: Oct 2, 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: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP68
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP69
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
Chevy LS 408 Boosted/NOS Short Block 58 Tooth -18cc Dish
Part Number: HPE-SP31-B
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 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: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 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: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 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: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 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: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 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: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP67
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP70
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP71
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
SHORT BLOCK, LS3 415CI Boost Shortblock 58T
Part Number: HPE-SP71-B
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP72
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP74
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 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: Oct 15, 2025 if ordered today
Estimated Ship Date: Oct 15, 2025 if ordered today
Dressed Longblock w/ MPFI GM Small Block Compatible 400 C.I. Deluxe Dressed, Multi-Point Fuel Injected, with Polished Pulley Kit
Part Number: MLL-BP4002MPFIK
Not Yet Reviewed
Estimated Ship Date: Sep 12, 2025 if ordered today
Estimated Ship Date: Sep 12, 2025 if ordered today
454 c.i. Standard Edition Builder Series, Carbureted, 700R4 Automatic Transmission /w Polished Pulley Kit. Incl. 30 month/50,000 warranty & Dyno
Part Number: MLL-B454K700
Not Yet Reviewed
Estimated Ship Date: Aug 29, 2025 if ordered today
Estimated Ship Date: Aug 29, 2025 if ordered today
302c.i. Standard Edition Builder Series, Fuel Injected, TKX Manual Transmission - w/ Polished Pulley Kit. incl. 30 month / 50,000 warranty & Dyno
Part Number: MLL-B302FKTKX
Not Yet Reviewed
Estimated Ship Date: Aug 29, 2025 if ordered today
Estimated Ship Date: Aug 29, 2025 if ordered today
Short Block Engines, 502 C.I.D. Short Block, Forged Crankshaft, Flat Top Pistons, 4 Bolt, Includes Oil Pan, Timing Cover, Flexplate, Balancer, Each
Part Number: NAL-19433158
CHRY 408 MAG STRK CMP/DYN EFI
Part Number: HPE-HP46C-MAGEFI
Not Yet Reviewed
LQ4 364CI 550HP L/B
Part Number: HPE-LQ4-LB-2
Not Yet Reviewed
Dressed Longblock w/ MPFI GM Small Block Compatible 400 C.I. Deluxe Dressed, Multi-Point Fuel Injected
Part Number: MLL-BP4002MPFID
Not Yet Reviewed
Estimated Ship Date: Sep 3, 2025 if ordered today
Estimated Ship Date: Sep 3, 2025 if ordered today
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