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GM ATK Crate Engines

ATK specializes in muscle. With the highest quality internal parts and Dyno Proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty. Check out our three stages of performance GM Engines: they are separated by level of dress. If you don’t see what you want, we will custom build your engine; just give us a phone call.

LS Short Blocks Base Engine
LS Based Short Blocks for Naturally Aspirated, Boosted and Nitrous Applications.

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High Performance Engine
with Base Level Dress

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Mid Dress Engine Complete Engine

High Performance Engine
with Mid Level Dress

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High Performance Engine
with Fuel & Ignition

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Complete Engine with EFI Short Block

High Performance Engine
with EFI

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Short Blocks for
the DIY Customer

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ATK SP03 Chevy 350CI Short Block +12.3cc Dish Pistons ATK SP04 Chevy 350CI Short Block Flat Top Pistons ATK SP06 Chevy 454CI Short Block +22cc Dome Pistons 1pc Seal
Our Price (USD): $1,339.00
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Our Price (USD): $1,399.00
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Our Price (USD): $2,061.00
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Chevy 350 Short Block 87-95 Dish Piston Crate Engine Chevy 350 Short Block Crate Engine Chevy 454 Short Block 4 Bolt Main 1 pc Rear Main
ATK SP15 Chevy 383CI Stroker Short Block -18cc Dish Piston 1pc Seal ATK SP06-HP Chevy 454CI Short Block Flat Top Pistons 1pc Seal ATK SP52 CHEVY 383CI Stroker Forged 3.7cc Flat Top Pistons
Our Price (USD): $2,061.00
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Our Price (USD): $2,100.00
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Our Price (USD): $2,200.00
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Chevy 383 Stroker Short Block 1 pc Rear Main Chevy 454 Short Block 4 Bolt Main 1 pc Rear Main ATK SP52 Crate Engine
ATK HP291P Chevy 350 Base Engine 325HP ATK SP19 Chevy LQ4 6.0L Short Block OE Dish Pistons ATK SP19-F Chevy LQ9 6.0L Short Block OE Flat Top Pistons
Our Price (USD): $2,350.00
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Our Price (USD): $2,399.00
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Our Price (USD): $2,399.00
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Chevy 350 Base Engine 325HP Chevy LQ4 6.0L Short Block Chevy LQ9 6.0L Short Block
ATK HP31 Chevy 350 87-95 TBI Base Engine 290HP ATK HP32 Chevy 350 Base Engine 350HP ATK HP98 Chevy 350 Base Engine 345HP
Our Price (USD): $2,580.00
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Our Price (USD): $2,600.00
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Our Price (USD): $2,700.00
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Chevy 350 87-95 TBI Base Engine 290HP Chevy 350 Base Engine 350HP Chevy 350 Base Engine 345HP
ATK HP74 Chevy 350 Vortec 96-00 Truck Base Engine 315HP ATK HP291PM Chevy 350 Mid Dress Engine 325HP ATK SP75 LM7 5.3/5.7 Short Block -3.2cc Flat Top Pistons 24 Tooth
Our Price (USD): $2,730.00
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Our Price (USD): $2,800.00
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Our Price (USD): $2,810.00
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Chevy 350 Vortec Base Engine 315HP Chevy 350 Mide Dress Engine 325HP Chevy LM7 5.7/347 Short Block 24 Tooth Reluctor Wheel
ATK SP76 LM7 5.3/5.7 Short Block -11cc Dished Pistons 24 Tooth ATK HP99C Chevy 350 Vortec Complete Engine 290HP ATK HP92 Chevy 350 Base Engine 315HP 2pc Rear Main Left Side Dipstick
Our Price (USD): $2,850.00
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Our Price (USD): $3,000.00
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Our Price (USD): $3,049.00
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Chevy LM7 5.7/347 Short Block 24 Tooth Reluctor Wheel Chevy 350 Complete Engine 290HP Chevy 350 Base Engine 315HP 2pc Rear Main Left Side Dipstick
ATK HP98M Chevy 350 Mid Dress Engine 345HP ATK HP32M Chevy 350 Mid Dress Engine 350HP ATK SP35 Chevy 383CI Stroker Short Block -16cc Dish Pistons 4 Bolt Main 1pc Seal
Our Price (USD): $3,050.00
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Our Price (USD): $3,100.00
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Our Price (USD): $3,150.00
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Chevy 350 Mid Dress Engine 345HP Chevy 350 Mid Dress Engine 350HP Chevy 383 Stroker Short Block 4 Bolt Main 1 pc Rear Main
ATK SP53 Chevy 383CI Stroker Short Block -5cc Flat Top Pistons 4 Bolt Main 1pc Seal ATK HP97 Chevy LM7 5.3L 99-07 Truck Base Engine 385HP ATK HP89 Chevy 350 Base Engine 375HP
Our Price (USD): $3,150.00
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Our Price (USD): $3,160.00
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Our Price (USD): $3,350.00
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Chevy 383 Stroker Short Block 4 Bolt Main 1 pc Rear Main ATK HP97 Chevy LM7 5.3L 99-07 Truck Base Engine 385HP Chevy 350 Base Engine 375HP Crate Engine
ATK HP91 Chevy 350 Base Engine 365HP 87 Octane ATK HP92M Chevy 350 Mid Dress Engine 315HP 2pc Rear Main Left Side Dipstick ATK HP291PC Chevy 350 Complete Engine 325HP
Our Price (USD): $3,350.00
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Our Price (USD): $3,449.00
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Our Price (USD): $3,500.00
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Chevy 350 Base Engine 345HP 87 Octane Chevy 350 Mid Dress Engine 315HP 2pc Rear Main Left Side Dipstick Chevy 350 Complete Engine 325HP
ATK HP83NEW ATK SP77 LM7 383CI Short Block -8cc Dished Pistons 24 Tooth ATK SP78 LM7 383CI Short Block -15cc Dished Pistons 24 Tooth
Our Price (USD): $3,549.00
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Our Price (USD): $3,570.00
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Our Price (USD): $3,570.00
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ATK HP83NEW Crate Engine Chevy LM7 383CI Short Block 24 Tooth Reluctor Wheel Chevy LM7 383CI Short Block 24 Tooth Reluctor Wheel