Availability
ATK High Performance Engines Engines & Components
Crate Engine, GM 383 Stroker 500HP Stage 2, Long Block, Aluminum Heads, Intake Manifold, Each
Part Number: HPE-HP55M
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
CRATE ENGINE, Chev 350 390HP Black
Part Number: HPE-HP89CBLK
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Crate Engine, GM 383 Stroker Stage 3, Long Block, Internal/External Engine Balance, Aluminum Heads, Each
Part Number: HPE-HP94C
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Crate Engine, GM 383 Stroker 500HP Stage 1, Long Block, Aluminum Heads, Each
Part Number: HPE-HP55
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 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: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Crate Engine, Base Long Block, Aluminum Heads, Hydraulic Roller Camshaft, Chevy, 383, Each
Part Number: HPE-HP101
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
ATK High Performance Chevy LS 408 Short Block
Part Number: HPE-SP40
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Chevy LM7 383CI Short Block +3cc Flat Top Pistons 24 Tooth
Part Number: HPE-SP80
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Cylinder Head, 205cc SBF, Aluminum, 58cc Chamber, 203cc Runner, 2.080 in. Intake Valve, 1.600 in. Exhaust Valve, 0.625 in. Max Lift, Ford, Each
Part Number: HPE-HPSBF205
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crate Engine, GM 350, Stage 2, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevrolet, 350 CID, Each
Part Number: HPE-HP291PM
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Crate Engine, Chrysler 408 Stroker Magnum 465 HP Stage 3 Long Block, Assembled, Hydraulic Roller Tappet, Internal Balance, Aluminum Heads, Dodge, 6.7L
Part Number: HPE-HP46C-MAG
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
CRATE ENGINE, Chev 383 415HP Black
Part Number: HPE-HP94CBLK
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Crate Engine, GM 383 Stroker, Long Block, Complete, Internal/External Engine Balance, Aluminum Heads, Each
Part Number: HPE-HP107C
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Crate Engine, Ford 427 C.I.D. 545 HP, Complete Engine, 4-bolt Mains, 10.4:1 Compression, Dart SHP Block, Aluminum Cylinder Heads, Ford, Windsor, Each
Part Number: HPE-HP112CBLK
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 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: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 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: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
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: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
CHEV 632 BB COMP/DYNO
Part Number: HPE-HP108C
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Crate Engine, GM LM7, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Each
Part Number: HPE-HP116-G4
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
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: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Cylinder Head, 250cc LS1/LS6, Aluminum, 61cc Chamber, 250cc Runner, 2.080 in. Intake Valve, 1.600 in. Exhaust Valve, 0.650 in. Max Lift, Chevy, Each
Part Number: HPE-HPLS1250
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
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