• Inventory
    • Brake Systems
    • Car Engine
      • Crate Engines
      • Engine Drives
    • Buy Transmission and Drivetrain
      • Transmission & Drivetrain
      • Automatic Transmissions
      • Manual Transmissions
      • Differential & Rear-End Components
      • Shifters
    • Chassis & Suspension
      • Chassis Components
      • Steering Components
      • Suspension Components
    • Generators
      • Commercial Generators
      • Standby Generators
      • Generator Transfer Switch
      • RV Generators
      • Generators, Marine Generators
    • Inboard and Sterndrives
    • Horizontal Engines
    • Outboard Motors
      • Evinrude Outboard Motors
      • Honda Outboard Motors
      • Mercury Outboard Motors
      • Nissan Outboard Motors
      • Suzuki Outboards Motors
      • TIG Welders For Sale
      • Tohatsu Outboard Prices
      • Yamaha Outboard Engines For Sale
    • Vertical Shaft Engine For Sale
    • Welding Machine
      • MIG Welders
      • Stick Welders For Sale
      • TIG Welders For Sale
  • Our Services
    • Boats and Outboards Services
    • Engine Services
    • Parts Request
    • Service Appointment
  • Customer Corner
    • News & Events
    • FAQ
    • About us
    • Our Videos
    • Newsletter Signup
  • Financing
    • Finance Department
    • Get Financed
  • Warranty
  • Dealer Info
    • Contact us
    • Careers
Login / Register
Search
Wishlist
0 items $0.00
Menu
0 items $0.00
Click to enlarge
Home Engines Crate Engines ATK High Performance GM 350 Vortec 290 HP Stage 3 Long Block Crate Engines HP99C
BluePrint Engines Pro Series Chevy 427 C.I.D. 540 HP Dressed Long Block Crate Engines PS4272CTC1
BluePrint Engines Pro Series Chevy 427 C.I.D. 540 HP Dressed Long Block Crate Engines PS4272CTC1 $6,199.00
Back to products
Chevrolet Performance 7.0L 427 C.I.D. LS7 Long Block Crate Engines 19303238
Chevrolet Performance 7.0L 427 C.I.D. LS7 Long Block Crate Engines 19303238 $14,499.00

ATK High Performance GM 350 Vortec 290 HP Stage 3 Long Block Crate Engines HP99C

$1,679.00

Crate Engine, GM 350 Small Block Stage 3, 290 HP, Long Block, External/Internal Engine Balance, Vortec Heads, Carburetor, Each

Compare
Add to wishlist
Category: Crate Engines
Share:
  • Description
  • Shipping & Delivery
Description

Overview

Brand: ATK High Performance Engines
Manufacturer’s Part Number: HP99C
Part Type: Crate Engines
Product Line: ATK High Performance GM 350 Vortec 290 HP Stage 3 Long Block Crate Engines
Summit Racing Part Number: HPE-HP99C
UPC: 00653517524943
Crate Engine Family: Chevy Small Block
Actual Engine Displacement: 5.7L/350
Crate Engine Cylinder Head Material: Cast iron
Engine Block Material: Cast iron
Advertised Compression Ratio: 9.4:1
Assembled: Yes
Engine Balance: Internal/External
Cam Style: Hydraulic roller, OE roller
Rear Main Seal Style: 1-piece
Intake Manifold Included: Yes
Intake Manifold Style: Carbureted
Cylinder Heads Included: Yes
Carburetor Included: Yes
Throttle Body Included: No
Distributor Included: Yes
Oil Pan Included: Yes
Valve Covers Included: Yes
Timing Cover Included: Yes
Water Pump Included: Yes
Harmonic Balancer Included: Yes
Flexplate Included: Yes
Flywheel Included: No
Air Cleaner Included: No
Spark Plugs Included: Yes
Spark Plug Wires Included: Yes
Computer Included: No
Wiring Harness Included: No
Water Pump Style: Long
Supercharger Included: No
Remanufactured: Yes
Quantity: Sold individually.
Notes: Engine has no fuel pump provisions, must run an electric fuel pump.

ATK High Performance GM 350 Vortec 290 HP Stage 3 Long Block Crate Engines

ATK High Performance GM 350 Vortec 290 hp Stage 3 long block crate engines are perfect replacements for your worn out SBC. They are designed with matched components for reliable performance with extra “go power”, and they require an electric fuel pump. 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 GM 350 Vortec 290 hp complete long blocks consist of:

* OE block bored to 4.060 in. diameter with 2-bolt mains and a one-piece rear main seal
* OE reground crankshaft with a 3.480 in. stroke
* OE powder metal 5.7 in. length connecting rods
* Hypereutectic 9.4:1 compression ratio pistons
* Moly piston rings
* Hydraulic roller camshaft (191/194 duration at 50, .414/.428 in. lift, 111 LSA)
* Cast iron Vortec cylinder heads with 64cc combustion chambers, 165cc intake runners, and come with 1.94 in./1.5 in. valves.
* Stamped steel 1.5 ratio rocker arms
* Single roller timing set
* 5 qt. oil pan ( will not fit Chevelle with steering behind crossmember, some Corvettes, and 1962-67 Chevy II)
* Melling standard volume oil pump
* Valve covers
* Flexplate
* ATK HP dual plane intake manifold
* Distributor HEI
* Cast iron long water pump
* Front Powerbond balancer (internally balanced)
* Pioneer externally balanced 168 tooth flexplate
* Quick Fuel Brawler 670cfm carburetor
* Autolite spark plugs (605) with 8mm wires

 

Shipping & Delivery
wd-ship-1
wd-ship-2

MAECENAS IACULIS

Vestibulum curae torquent diam diam commodo parturient penatibus nunc dui adipiscing convallis bulum parturient suspendisse parturient a.Parturient in parturient scelerisque nibh lectus quam a natoque adipiscing a vestibulum hendrerit et pharetra fames nunc natoque dui.

ADIPISCING CONVALLIS BULUM

  • Vestibulum penatibus nunc dui adipiscing convallis bulum parturient suspendisse.
  • Abitur parturient praesent lectus quam a natoque adipiscing a vestibulum hendre.
  • Diam parturient dictumst parturient scelerisque nibh lectus.

Scelerisque adipiscing bibendum sem vestibulum et in a a a purus lectus faucibus lobortis tincidunt purus lectus nisl class eros.Condimentum a et ullamcorper dictumst mus et tristique elementum nam inceptos hac parturient scelerisque vestibulum amet elit ut volutpat.

Related products

ATK High Performance Ford 408 Stroker 480 HP Street/Strip Stage 2 Long Block Crate Engines HP81M

Crate Engines
$4,999.00
Add to cart
Compare
Quick view
Add to wishlist

BluePrint Engines Ford 302 C.I.D. 361 HP Dressed Long Block Crate Engines BP302CTCD

Crate Engines
$3,345.00
Add to cart
Compare
Quick view
Add to wishlist

BluePrint Engines GM 383 C.I.D. 436 HP Dressed Stroker Long Block Crate Engines BP38318CTC1D

Crate Engines
$4,099.00
Add to cart
Compare
Quick view
Add to wishlist

Chevrolet Performance LS 376/525 LS3 Long Block Crate Engines 19435110

Crate Engines
$3,540.00
Add to cart
Compare
Quick view
Add to wishlist

Chevrolet Performance LS3 6.2L 376 C.I.D 430 HP Fully Dressed Long Block Crate Engines 19435098

Crate Engines
$6,445.00
Add to cart
Compare
Quick view
Add to wishlist

Chevrolet Performance LS3 6.2L 376 C.I.D 495 HP Engine Assemblies 19435100

Crate Engines
$7,454.00
Add to cart
Compare
Quick view
Add to wishlist

Chevrolet Performance ZZ632/1000 Deluxe Long Block Crate Engines 19432060

Crate Engines
$16,467.00
Add to cart
Compare
Quick view
Add to wishlist

Summit Racing™ Chevy LS 5.3L 450HP Long Block Crate Engines SUM-150153

Crate Engines
$1,899.00
Add to cart
Compare
Quick view
Add to wishlist

    At X Factors Motorsports, we specialize in high-performance engines, outboards, and premium automotive equipment. With expert support, fast shipping, and trusted brands, we help builders, racers, and enthusiasts power their passion — one project at a time.

    • 2007 E Orangethorpe Ave, Placentia, CA 92870
    • Phone: +1 (714) 694-3374
    • E-mail: sales@xfactorsmotorsports.com
    Recent Posts
    • Hemi Engines
      Hemi Engines: Everything You Need to Know (2025 Crate Engine Guide)
      July 12, 2025 No Comments
    • How Blueprint Engines Are Built
      How Blueprint Engines Are Built: Factory Process Explained (2025 Guide)
      July 12, 2025 No Comments
    Our stores
    • New York
    • London SF
    • Edinburgh
    • Los Angeles
    • Chicago
    • Las Vegas
    USEFUL LINKS
    • Privacy Policy
    • Returns
    • Terms & Conditions
    • Contact Us
    • Latest News
    • Our Sitemap
    Footer Menu
    • Instagram profile
    • New Collection
    • Woman Dress
    • Contact Us
    • Latest News
    • Purchase Theme
    X Factors Motorsports theme 2025 .
    payments
    • Home
    • Shop
    • Blog
    • Portfolio
    • About us
    • Contact us
    • Wishlist
    • Compare
    • Login / Register
    Shopping cart
    Close
    Sign in
    Close

    Lost your password?

    No account yet?

    Create an Account
    Start typing to see products you are looking for.
    Shop
    Wishlist
    0 items Cart
    My account