Click on image to zoom

ATK HPE-HP31 Chevy 350 87-95 TBI Base Engine 290HP

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Pricing: $2,576.00

Customize Your Item

- Additional Shipping Options -
 * required
Free Shipping!


ATK HPE-HP31 Chevy 350 87-95 TBI Base Engine 290HP

Check out ATK for this great alternative to GM's underpowered 1987-1995 TBI series engines. Great budget alternative with more horsepower than the stock engine.
Requires custom tuning for retaining stock TBI, and best used with headers and Edelbock 3704 manidold.

Horsepower: 292
Torque: 370 lb/ft
Block: Seasoned OE 4 Bolt Main 1pc Seal Roller Block P/S Dipstick
Bore/Stroke: 4.040 x 3.480
Year Range: 1987-1995
Displacement: 350 C.I.D.
Crankshaft: OE Cast Crank 3.480" Stroke Externally Balanced Rear/Internal Front 1pc.
Connecting Rods: OE Powder Metal 5.700" Stock Bolts
Pistons: Hypereutectic
Piston Rings: Moly Rings
Compression Ratio: 9.6:1 Compression
Camshaft: Hydraulic Roller
Camshaft Specifications: 198/210 @050 .435in/.462ex 116LSA
Camshaft Bearings: Installed & Clocked to OEM Position
Cylinder Heads: OE TBI Cast Iron 67cc 1.94/1.50
Freeze Plugs: Brass Installed & Sealed
Rocker Arms: Stamped Steel 1.5 Ratio
Oil Galley Plugs: Installed & Sealed
Oil Pan: OE 5qt.

Recommended Parts
Oil : 10W30
Oil Filter: GM 25160561
Fuel Delivery : OE TBI System With Tune/Chip
Intake Manifold : Stock or Edelbrock Performer #3704 Max Performance
Fuel Injectors : Stock Injectors/TBI
Spark Plugs : Autolite #605
Spark Plug Gap : .035
Flex Plate / Flywheel : Externally Balanced 168 Tooth
Tuning : Needs Chip for TBI Engine
Timing : Set To Factory Specifications Via PCM Module
Water Pump : Long Water Pump
Firing Order : 1 8 4 3 6 5 7 2
Exhuast : 1 5/8 Headers
Fuel Pump : Stock
Fuel : 91 Octane
Ignition : Stock
Automatic Transmission Stall Converter : Stock

Application List


Shipping Information

  • Item Requires Shipping
  • 500.0 lbs.
  • W5.0000” x H5.0000” x L5.0000”
  • Free Shipping!

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.

Trusted Specialists GM engine & parts specialists
Located in the USA Owned, operated, & employed
Need Assistance? Call us at 888-748-4655
Mon-Thu 8am-6pm EST
Fri 8am-5:30pm EST
Have a Question Email us and we'll get back to you within 24 hours
Pace B2B