ATK Engines; High Performance Crate Engine; HP55C; Stage 3 GM Stroker V8 383/500HP/505TQ

ATK has been building engines for over 75 years and has assembled this dyno-proven crate engine package to power up your ride. Classic Industries® dedication to bringing the highest quality products on the market, combined with ATK's industry-leading warranty make these Chevy ATK crate engines an obvious choice.

All of ATK manufacturing facilities have achieved both QS-9000 and ISO 9001 certification levels, one of the few engine remanufacturers in the world to have done so. In addition, ATK parent company VEGE Motoren has also achieved ISO 9001 certification. This is particularly significant as it represents both an engineering and a manufacturing certification.

• Important: Not for use in pollution controlled vehicles. Computer controlled vehicles may need updated chips or other modifications.

• Special order, must be prepaid. Non-returnable. Non-refundable.
• Price includes $510.00 core charge.
• Shipped anywhere in the Continental United States for $175.00.
• 2 Year / Unlimited Mileage Warranty.

Stage Three motors are dyno-proven, built from top qual ity parts and come with a black painted oil pan, chrome timing cover, aluminum valve covers, distributor with spark plugs and wires, a performance intake manifold, performance carburetor, fuel pump, long water pump, flex plate, and balancer all pre-installed.

This 383 ci street/strip stroker engine with 500 hp and 505 lbs of torque in a dyno-tested and tuned ready run pump gas package.

• HP: 500
• Torque: 505
• Engine type: Chevrolet small blo ck V8
• Displacement: 383 ci
• Block:4 bolt main/roller
• Crankshaft: Scat 4340 forged
• Bore/Stroke: 4.040 x 3.750
• Rods: Scat 4340 H-beam
• Pistons: Forged
• Rings: Moly
• Camshaft type:HY D roller
• Camshaft lift: Custom
• Camshaft duration @.50: custom
• Cylinder heads: ATK Pro-Filer aluminum
• Chamber size: 64 cc
• Valve size: 2.02 in x 1.60 ex
• Intake runner volume: 195 cc
• Comp ression ratio: 10.1:1
• Rocker arms: 1.6:1 full roller
• Induction: Performance manifold/carbureted
• Recommended fuel: 92 octane
• Ignition timing: 36 degrees total advance
• Max RPM: 5800
• Dyno proven:Yes

• 1955 - 1957 Chevrolet Bel Air
• 1967 - 2002 Chevrolet Camaro
• 1986 - 1993 Chevrolet Caprice
• 1962 - 1968 Chevrolet Chevy II Nova
• 1957 - 1957 Chevrolet Del Ray
• 1958 - 1996 Chevrolet Impala
• 1955 - 1957 Chevrolet Nomad
• 1969 - 1979 Chevrolet Nova
• 1955 - 1957 Chevrolet One-Fifty Series
• 1955 - 1957 Chevrolet Two-Ten Series

• 1930 - 2008 Chevrolet Truck

• 1930 - 2008 GMC Truck

• 1967 - 2002 Pontiac Firebird