Availability
ATK High Performance Engines Engine Assemblies
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 4, 2026 if ordered today
Estimated Ship Date: May 4, 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 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each
Part Number: HPE-SP44
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
SHORT BLOCK ENGINE
Part Number: HPE-SPE3881500
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
ENGINE BLOCK
Part Number: HPE-SPE3881800
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
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