Availability
ATK High Performance GM 350 345 hp/400 lbs.-ft. Stage 1 long block crate engines are classics with great street manners, and vacuum to power all your accessories. These Stage 1 or base engines are designed for those that may have their own component parts already, and who also are interested in completing out the build themselves. Typically ATK GM 350 345 hp base long block engines consist of: * Seasoned OE short block with 4-bolt mains * OE cast crankshaft * OE 5.7 in. powder metal connecting rods * Hypereutectic pistons * Moly piston rings * Hydraulic roller camshaft * 220/224 at .050 in. * .495 in./502 in. lift 110 LSA * ATK cast iron cylinder heads * 76cc combustion chambers * 165cc intake runners * 1.94 in./1.5 in. valves * Stamped steel 1.5 ratio rocker arms * Valve covers * Timing set and cover * Oil pan, high volume oil pump with pick-up tube
( 12 )
$3,198.99
Give your car or truck a little more punch with one of these ATK High Performance GM 350 Vortec 350 hp Stage 2 long block crate engines. These engines are built from the ground up to replace your old, tired mill with a more modern, efficient engine. ATK hand-builds and balances each one these engines to ensure they are great-running, reliable engines that will get you back on the road. Engine specifications: * HP: 350 * TQ: 400 * Block: OE roller block 4-bolt main 1-pc seal 1996-2000 * Bore/Stroke: 4.040 in. x 3.480 in. * Displacement: 350CI * Crankshaft: OE reground external balance rear of crank/internal balance front of the crank * Rods: OE powder metal 5.7 in. * Pistons: Hypereutectic 9.5:1 compression * Rings: Moly * Camshaft: Hyd. Roller * Cam Specs: 220/224 @50 .495in/.502ex 110LSA * Timing Chain: Double roller * Cylinder Heads: Vortec cast iron 67cc 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 II's) * Oil Pump: Melling STD volume * Balancer: Internally balanced – PowerBond #PB1046-N * Flexplate: Externally balanced – Pioneer #FRA-159 * Intake Manifold: ATK HP dual plane * Distributor: HEI (Iron Gear) * Water Pump: OE long pump Recommended components: * Carburetor: Quick Fuel 680CFM vacuum secondary's electric choke #HR-680 * Fuel Pump: Holley mechanical 110GPH #12-327-11 * Spark Plugs: Autolite #605 * Spark Plug Wires: 8mm Engine Info: * Oil: Conventional/Non-Synthetic 10W30 * Oil Filter: Wix or K&N * Timing: 34-36 Degrees * Spark Plug Gap: .035 in. * Firing Order: 18436572 * Octane: 91+ * Stall Converter: Stock * Exhaust: 1 5/8 Headers
( 8 )
$3,688.99
Give your old ride new life with these ATK High Performance GM 350 345 hp/400 lbs.-ft. Stage 3 long block crate engines. These engines are built to perform and look great without breaking your budget. Each engine is expertly assembled, balanced, blueprinted, and topped with quality components, making it a solid, reliable mill to power your muscle car, street rod, or pickup. ATK GM 350 345 hp Stage 3 long block crate engines include: * Handpicked, OE remanufactured block * ATK cast iron 75cc/165cc 1.94/1.50 heads * ATK dual plane intake manifold * Quick Fuel 680 cfm vacuum secondary carburetor * OE crankshaft * OE 5.7 in. powder metal connecting rods * Hypereutectic pistons * Hydraulic roller camshaft .495in/.502ex 110LSA * HEI Distributor, plug wires and plugs * Holley 110 GPH mechanical fuel pump * Valve covers * Timing cover and double roller timing set * 5 qt. oil pan, high volume oil pump with pickup tube * OE style long water pump * PowerBond 8 in. balancer and 168 tooth flexplate
( 1 )
$4,504.99
Give your car or truck a little more punch with ATK High Performance GM 350 Vortec 350 hp Stage 3 long block crate engines. These engines are built from the ground up to replace your old, tired mill with a more modern, efficient engine. ATK hand-builds and balances each one these engines to ensure that they are great-running, reliable engines that will get you back on the road. Engine Specifications: * HP: 350 * TQ: 400 * Block: OE roller block 4-bolt main 1-pc seal 1996-2000 * Bore/Stroke: 4.040 in. x 3.480 in. * Displacement: 350CI * Crankshaft: OE reground external balance rear of crank/internal balance front of the crank * Rods: OE powder metal 5.7 in. * Pistons: Hypereutectic 9.5:1 compression * Rings: Moly * Camshaft: Hyd. Roller * Cam Specs: 220/224 @50 .495in/.502ex 110LSA * Timing Chain: Double roller * Cylinder Heads: Vortec cast iron 67cc 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 II's) * Oil Pump: Melling STD volume * Balancer: Internally balanced – PowerBond #PB1046-N * Flexplate: Externally balanced – Pioneer #FRA-159 * Intake Manifold: ATK HP dual plane * Distributor: HEI (Iron Gear) * Water Pump: OE long pump * Carburetor: Quick Fuel 680CFM vacuum secondary's electric choke #HR-680 * Fuel Pump: Holley mechanical 110GPH #12-327-11 *Spark Plugs: Autolite #605 * Spark Plug Wires: 8mm Engine Info: * Oil: Conventional/Non-Synthetic 10W30 * Oil Filter: Wix or K&N * Timing: 34-36 Degrees * Spark Plug Gap: .035 in. * Firing Order: 18436572 * Octane: 91+ * Stall Converter: Stock * Exhaust: 1 5/8 Headers
( 1 )
$4,624.99
ATK High Performance Ford 502 515 hp Stage 3 long block crate engines use a smaller camshaft which will have a slightly smoother idle and has vacuum for power brakes. ATK Stage 3 or complete dressed engines are engineered for those wanting to drop the engine into their project and fire it up. They have outfitted the engines as completely as possible to save you time and headaches. Typically ATK Ford 502 515 hp complete long block engines consist of: * Seasoned OE roller block * Nodular iron crankshaft * 4340 forged I-beam connecting rods * Hypereutectic pistons * Chromoly piston rings * Hydraulic flat tappet camshaft * Performance cylinder heads * Stainless steel rocker arms * Timing set * Oil pan, oil pump and pick-up tube * Valve covers * Flexplate * Performance intake manifold * Distributor * Water pump * Front damper * 780cfm carburetor * Spark plugs and wires
Not Yet Reviewed
$10,109.99
Bring your ride to life with ATK High Performance Ford 302 370 hp Stage 3 long block crate engines. These engines are based on the tried and true Ford 302 and are built to perform. ATK hand-assembles and balances each engine using top-quality parts to help them produce awesome power. Whether you are replacing an older, tired engine or just looking for a little more performance, ATK has you covered. Details and specs: * 375 hp/380 lbs.-ft. * Compression Ratio: 9.5:1 * ATK Aluminum heads * Hydraulic roller cam * Cast steel crankshaft 50oz external balance * Hypereutectic pistons * Seasoned OE roller block 1987-1995 * 4.040 in. bore x 3.000 in. stroke * One-piece rear main seal * Mechanical fuel pump provision * Dual sump oil pan HP08C, Front sump oil pan HP78C * Melling high volume oil pump * Double roller timing set * Left Hand inlet reverse rotation water pump (HP08C) * Right Hand inlet standard rotation water pump (HP78C) * 50oz external balancer * TCI 529610 157 tooth flexplate with 50oz balance * Edelbrock Performer RPM dual plane intake 7121 * Pro Billet distributor with melonite gear * Autolite 3923 spark plugs 0.035 gap * 8mm Spark plug wires * Quick Fuel 680 cfm carburetor with vacuum secondary's and electric choke * Mechanical 80 GPH Fuel pump Cylinder Heads: * ATK aluminum cylinder heads * 58cc chamber * 2.02 in. intake/1.60 in. exhaust valves * 185cc intake runners * 1.6 aluminum roller rockers Roller Cam specs: * .512 intake/.512 exhaust * 220 intake/224 exhaust duration @ .050 - 112-degree lobe separation Recommended: * 2,400-2,800 Stall converter * 34-36 degrees total timing * 13726548 firing order * 91 plus octane fuel
Not Yet Reviewed
$6,674.99
Modal Header