- Engines & Components
- Engine - Assembled / Ready-to-Run
- ATK HP Crate Engines Big Block Chevy 496ci / 600HP / 605TQ
In 2007, ATK launched a High Performance Division with one of the finest engine shops in the country. By reverse engineering all of their engines, they are able to eliminate any OEM deficiencies. This makes an ATK built crate engine have a superior design over the original engine by incorporating better components when needed. These quality built engines are offered in three different stages for ease of finishing an engine swap. ATK HP engines feature a 24 month/unlimited mile warranty.
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Engine Specifications
Designed for street/strip applications, it will have a rough idle, power brakes will not work, and expect big power.
- Horsepower: 600 hp
- Torque: 605 lb/ft
Block Information:
- Seasoned OE 1991-1995 Gen V 4 bolt main 1pc seal (no mechanical fuel pump provision)
- Bore/Stroke: 4.310" x 4.250"
- Displacement: 496ci
Rotating Assembly:
- Crankshaft: Scat 4340 forged
- Balance: Internal
- Rods: Scat 4340 forged H beam 6.385" with ARP 8740 Bolts
- Compression Ratio: 10.1:1
- Pistons: Forged
- Rings: Moly
Camshaft Specs:
- Camshaft: Hydraulic roller
- Cam Duration @ .050": Intake 247 / Exhaust 255
- Cam Lift: Intake .680" / Exhaust .680"
- Lobe Separation Angle: 110lsa
- Timing Chain: Double roller
Cylinder Head Information:
- Cylinder Heads: Edelbrock aluminum
- Combustion Chamber: 118cc
- Intake Runner: 315cc
- Valve Size: 2.19" Intake / 1.88" Exhaust
- Rocker Arms: Billet aluminum roller rockers 1.7 ratio
Oil Pan Information:
- Oil Pan: Moroso street/strip 6qt #710-20413
- Oil Pump: Melling high volume
Base Engines
- Short Block
- Camshaft
- Timing Set
- Cylinder Heads
- Valve Covers
- Timing Cover
- Oil Pan
- Oil Pump & Pickup Tube
- Flexplate
Mid Dress Engines
- Consists of Base Engine Build
- Intake Manifold
- Distributor
- Water Pump
- Harmonic Balancer
Complete Engines
- Consists of Mid Dress Engine Build
- Fuel Pump
- Carburetor
- Spark Plug Wires
- Spark Plugs