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The Chevrolet Performance 350/290 Base is the most popular GM Performance Parts crate engine because no one can deliver such performance for this kind of value. GM Performance Parts believes that everyone should be able to afford a high quality, high performance GM V-8 without going broke. The 350/290 Base is an answer to those car crafters who demand maximum return on their money. However, just because it's affordable, don't think that it's a stone. The 350/290 delivers 308 hp @ 5100 rpm and a solid 347 lb.-ft. of torque at 3900 rpm. With those kinds of numbers, it's the perfect replacement engine for the millions of GM vehicles that shipped with a small-block. Got a tired, old project car that needs a lift? This is the crate engine for you!

350/290 BASE TECH SPECS:

• Engine Type: Chevy Small-Block V-8
• Displacement: 350ci
• Bore x Stroke: 4.000'' x 3.480''
• Block: Cast-iron with four-bolt main caps
• Crankshaft: Nodular iron
• Connecting Rods: Powdered metal steel
• Pistons: Cast-aluminum
• Camshaft Type: Hydraulic flat tappet
• Camshaft Lift: .450'' intake / .460'' exhaust
• Camshaft Duration (@.050 in.): 222° intake / 222° exhaust
• Cylinder Heads: Cast Iron; 76cc combustion chambers
• Valve Size: 1.94'' intake / 1.50'' exhaust
• Compression Ratio: 8.0:1
• Rocker Arms: Stamped steel
• Rocker Arm Ratio: 1.5:1
• Recommended Fuel: 87 octane
• Ignition Timing: 34° Total @ 4000 rpm
• Maximum Recommended rpm: 5100
• Balanced: Internal

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