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ATK HP291P Chevy 350 Base Engine 325HP

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ATK HP291P Chevy 350 Base Engine, or Stage 1 Engine, is designed for those that may have their own component parts already and who also are interested in completing out the build themselves. A GM base engine typically consists of the following: Short Block, Camshaft, Timing set, Cylinder heads, Valve covers, Timing cover, oil pan, oil pump & pick up tube. Engine Specifications: HP: 330 TQ: 3380 Block: OE block 4 bolt main 1pc seal 1987-2000 Bore/Stroke: 4.040 x 3.480 Dis…
ATK HP291P Chevy 350 Base Engine, or Stage 1 Engine, is designed for those that may have their own component parts already and who also are interested in completing out the build themselves. A GM base engine typically consists of the following: Short Block, Camshaft, Timing set, Cylinder heads, Valve covers, Timing cover, oil pan, oil pump & pick up tube. Engine Specifications: HP: 330 TQ: 3380 Block: OE block 4 bolt main 1pc seal 1987-2000 Bore/Stroke: 4.040 x 3.480 Displacement: 350 Crankshaft: OE Reground external balance rear of crank/internal balance front of the crank Rods: OE powder metal 5.7" Pistons: Hypereutectic 9.1:1 compression Rings: Moly Camshaft: Hyd. flat tappet Cam Specs: 224/234 @50 .465in/.488ex 112LSA Timing Chain: Double roller Cylinder Heads: Dart cast iron 76cc/165cc 1.94/1.50 Rocker Arms: Stamped steel 1.5 ratio Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy IIs) Oil Pump: Melling high volume Classic 350 with great street manners, and vacuum for all your power accessories. Your engine may not necessarily come with all components listed, but they are listed as our recommendations of parts to run for optimal performance. 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. Don't forget the engine paint!
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