$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

Fall Clearance Sale - Save Today on The Parts You Need!

ATK High Performance Engines Parts and Accessories

Individual Parts

Results 76 - 97 of 97

Crate Engines, GM 365 LQ4 550 HP Stage 1 Long Block, 6.0L/364, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LQ4-LB-1

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Chevy LS 408 Boosted/NOS Short Block 24 Tooth -10cc Dish

Part Number: HPE-SP37-B

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Cylinder Head, 315cc BBC, Aluminum, 120cc Chamber, 315cc Runner, 2.250 in. Intake Valve, 1.880 in. Exhaust Valve, 0.675 in. Max Lift, Chevy, Each

Part Number: HPE-HPBBC315

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 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: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

Cylinder Head, 260cc LS3, CNC Ported, 6 Bolt, 70cc Chamber, 260cc Runner, 2.165 in. Intake , 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3260

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

Cylinder Head, 270cc LS3, CNC Ported, 6 Bolt, 72cc Chamber, 273cc Runner, 2.165 in. Intake, 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3270

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

Cylinder Head, 185cc SBF, Aluminum, 58cc Chamber, 190cc Runner, 2.020 in. Intake Valve, 1.600 in. Exhaust Valve, 0.625 in. Max Lift, Ford, Each

Part Number: HPE-HPSBF185

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

HP ENGINE

Part Number: HPE-SP100

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 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: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 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: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

Engine Assembly, Short Block, 58 Tooth Reluctor Wheel, Hypereutectic Pistons, LM7, 330 CID, Chevy, LS, Each

Part Number: HPE-SP115

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP40

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 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: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

Engine Assembly, Short Block, Stroker, 1-Piece Main Seal, Mopar, Small Block Magnum, 408, Each

Part Number: HPE-SP57

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

SHORT BLOCK ENGINE

Part Number: HPE-SPE3881500

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

CHEV 632 BB COMP/DYNO

Part Number: HPE-HP108C

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

5.7L Gen 3 Hemi Motor

Part Number: HPE-HP111

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

Crate Engine, GM LM7, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Each

Part Number: HPE-HP116

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 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: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

Crate Engine, GM LM7, Complete Engine, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Fitech EFI, Each

Part Number: HPE-HP116C-EFI

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block, 347, Each

Part Number: HPE-HP20C

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

Engine Assembly, Stage 2 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block, 347, Each

Part Number: HPE-HP20M

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 26, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.