- ATK HP99C Chevy 350 Vortec Complete Engine 290HP
ATK HP99C Chevy 350 Vortec Complete Engine 290HP
Item #31960 Brand: ATK Engines
Orders placed for this item cannot be canceled or changed.
ATK HP99C Chevy 350 Vortec Engine, or Stage 3 Engine, is designed for those that are wanting to drop the engine into their project and fire it up. We try to outfit the engine as completely as possible to save you time and headaches. A GM Complete Dress engine typically consists of the Stage 2 build out plus the following: Carburetion, Spark Plug Wires, & Spark Plugs.
- HP: 290
- TQ: 375
- Block: OE roller block 2 bolt main 1pc seal 1996-2000
- Bore/Stroke: up to 4.060” x 3.480”
- Displacement: 350CI
- Crankshaft: OE Reground external balance rear of crank/internal balance front of the crank
- Rods: OE powder metal 5.7”
- Pistons: Hypereutectic 9.4:1 compression
- Rings: Moly
- Camshaft: Hyd. roller
- Cam Specs: 220/224 @50 .495in/.502ex 112LSA
- Timing Chain: Single Roller
- Cylinder Heads: Vortec cast iron 64cc 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/Flywheel: Externally balanced – Pioneer #FRA-159
- Intake Manifold: Edelbrock Performer RPM dual plane #7116
- Distributor: HEI (Iron Gear)
- Water Pump: OE long pump
- Carburetor: Quick Fuel 600CFM Vacuum secondary’s electric choke #BR-67254
- Fuel Pump: MUST RUN ELECTRIC FUEL PUMP-NO MECHANICAL FUEL PUMP PROVISIONS
- Spark Plugs: Autolite #605
- Spark Plug Wires: 8mm
Introducing our new Econo 350CI Engine. We take one of ATK's Stock Replacement Remanufactured Vortec 350CI Engines and dress it out to be retrofitted for a Muscle car swap. The Vortec 350 engines are known for their better flowing Vortec Heads and Hyd. Roller Camshaft setup.This engine will come completely assembled as shown minus the fuel pump. These blocks DO NOT have a mechanical fuel pump provision and an electric fuel pump must be used.
**Image is for illustrative purposes only, engine will NOT have fuel pump provisions**
(1) ATK HP99C Chevy 350 Vortec Complete Engine 290HP
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+
• Stall Converter: Stock
• Exhaust: 1 5/8 Headers
• Weight: 430 lbs.
Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. . ATK reserves the right to substitute parts used in engines if necessary.
2 Year Manufacturer Warranty
Shipping is free and lift gate will be provided.
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