ATK HP Crate Engines Small Block Chevy 383ci / 500HP / 505TQ

Bulletproof street/strip engine with a lopey idle, may not work with power brakes or a/c.

Engine Specifications

• Horsepower: 500 hp
• Torque: 505 lb/ft

Block Information:

• Seasoned OE 4 bolt main 1pc seal 1996-2000 
• Bore/Stroke: 4.040" x 3.750"
• Displacement: 383ci

Rotating Assembly:

• Crankshaft: Scat 4340 forged
• Balance: External rear, internal front
• Rods: Scat 4340 forged H beam 5.7" with ARP 8740 bolts
• Compression Ratio: 10.2:1
• Pistons: Forged
• Rings: Moly

Camshaft Specs:

• Camshaft: Hydraulic roller
• Cam Duration @ .050": Intake 237 / Exhaust 245
• Cam Lift: Intake .597" / Exhaust .597"
• Lobe Separation Angle: 112lsa
• Timing Chain: Double roller

Cylinder Head Information:

• Cylinder Heads: Dart SHP American Made Aluminum
• Combustion Chamber: 72cc
• Intake Runner: 200cc
• Valve Size: 2.02" Intake / 1.60" Exhaust
• Rocker Arms: Biller aluminum roller rockers 1.6 ratio

Oil Pan Information:

• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some Corvettes, and 1962-1967 Chevy II's
• Oil Pump: Melling 

 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 or EFI 
• Spark Plug Wires
• Spark Plugs