Availability
ATK High Performance Chevy LS 408 Short Block
Part Number: HPE-SP40
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
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: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
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: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
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
Crate Engine, GM 383 Stroker, Marine, 380 HP, Long Block, External/Internal Engine Balance, Aluminum Heads, Each
Part Number: HPE-HP96
Not Yet Reviewed
Estimated Ship Date: Aug 4, 2025 if ordered today
Estimated Ship Date: Aug 4, 2025 if ordered today
Crate Engines, GM LM7/LS1 347CI 500 HP Stage 1 Long Block, 5.7L/347, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each
Part Number: HPE-LM7-LB-2
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
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: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 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: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Tomorrow
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: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
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: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 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: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 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: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 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: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP68
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP69
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP70
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP71
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
SHORT BLOCK, LS3 415CI Boost Shortblock 58T
Part Number: HPE-SP71-B
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP72
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
ATK High Performance Chevy LS3 415 Short Block
Part Number: HPE-SP74
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Chevy LM-7/LS 347CI Short Block +11cc Dished Pistons 24 Tooth
Part Number: HPE-SP76
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Engine Assembly, Short Block, LM7, 5.7/347, 3.903 in. Bore, 3.622 in. Stroke, Forged Dished Pistons, I-Beam, Chevy, LS, Each
Part Number: HPE-SP76-B
Not Yet Reviewed
Chevy LM7 383CI Short Block +8cc Dished Pistons 24 Tooth
Part Number: HPE-SP77
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Chevy LM7 383CI Short Block +32cc Dished Pistons 24 Tooth
Part Number: HPE-SP79
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
