Description

Boost Control Solenoid – Dual Port – Fittings Included – Holley EFI – Kit

Why Choose Us?



Frequently Asked Questions​

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

About HOLLEY

A leader in fuel systems for over 100 years, Holley fuel management systems have powered top circle track and drag racing teams around the world. Now, Holley offers EFI systems for GM's LS engine, among many other applications. Holley's products also include performance fuel pumps, intake manifolds, and engine accessories products for street performance, race, and marine applications.

International Shipping

Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.

Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.

Loading international estimates...

Reviews

There are no reviews yet.

Be the first to review “HOLLEY Solenoid – Boost Control 557-201”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PRO-GRAM ENGINEERING Front Main Cap Support Strap – SBC 283-400 SBFS

    SKU: PGESBFS
    Product information
    • Weight0.58 lbs
    • Dimensions7.05 × 5.55 × 0.75 in
    • Material

      Steel

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    • Billet

      Yes

    Details...
    Original price was: $44.39.Current price is: $36.99.Add to cart
    Original price was: $44.39.Current price is: $36.99.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    NITROUS EXPRESS Main Line Nitrous Kit 50-150HP ML2000

    SKU: NXSML2000
    Product information
    • Weight18 lbs
    • Dimensions24.5 × 7.5 × 7.25 in
    • Wet / Dry Kit

      Wet

    • Plate / Fogger

      Fogger

    • Single / Dual Stage

      Single

    • Adjustable

      Yes

    • Maximum Advertised Horsepower

      150 hp

    Details...
    Original price was: $603.65.Current price is: $524.91.Add to cart
    Original price was: $603.65.Current price is: $524.91.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HUSKY LINERS Rubber Front Mud Flaps 55000

    SKU: HSK55000
    Product information
    • Weight6.93 lbs
    • Dimensions24.25 × 12.5 × 1.5 in
    • Product Line

      MudDog

    • Application Specific

      Yes

    • Material

      Rubber

    • Color

      Black

    • Finish

      Natural

    Details...
    Original price was: $77.00.Current price is: $69.99.Add to cart
    Original price was: $77.00.Current price is: $69.99.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HUSKY LINERS Front Floor Liners 52291

    SKU: HSK52291
    Product information
    • Weight8.23 lbs
    • Dimensions34 × 24 × 3 in
    • Product Line

      X-ACT Contour

    • Application Specific

      Yes

    • Textured

      Lines

    • Material

      Plastic

    • Color

      Black

    Details...
    Original price was: $121.00.Current price is: $109.99.Add to cart
    Original price was: $121.00.Current price is: $109.99.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOWARDS RACING COMPONENTS Solid Roller Lifters – SBF Vertical Style 91217

    SKU: HRC91217
    Product information
    • Weight5.9 lbs
    • Dimensions8.7 × 3.6 × 3.2 in
    • Product Line

      SportMax

    • Material

      Chromoly

    • Color

      Black

    • Finish

      Oxide

    • Quantity

      Set of 16

    Details...
    Original price was: $504.92.Current price is: $459.02.Add to cart
    Original price was: $504.92.Current price is: $459.02.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOWE Stud For 22410 +.200 22432

    SKU: HOW22432
    Product information
    • Weight0.91 lbs
    • Dimensions9.4 × 6.3 × 1.65 in
    • Ball Diameter

      1.625 in

    • Taper

      2 in/ft

    • Stud Length

      3.77 in

    • Stud Extended Length

      Plus 0.2 in

    • Stud Thread

      5/8-18 in

    Details...
    Original price was: $52.72.Current price is: $47.93.Add to cart
    Original price was: $52.72.Current price is: $47.93.Add to wishlist
  • Add to wishlist
    Sale
    Placeholder
    Add to wishlist

    HANS HANS III 30L Sliding Tether Post Anchor SFI DK18347321SFI

    SKU: HANDK18347321SFI
    Product information
    Details...
    Original price was: $679.14.Current price is: $565.95.Add to cart
    Original price was: $679.14.Current price is: $565.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    GRANT Chrome Button-Mopar 5690

    SKU: GRT5690
    Product information
    • Weight0.16 lbs
    • Dimensions4.1 × 4.1 × 2.2 in
    • Style

      Cap

    • Logo

      Mopar Logo

    • Logo Color

      Black / Blue / White

    • Intended Steering Wheel

      Classic / Challenger

    • Material

      Steel

    Details...
    Original price was: $17.48.Current price is: $15.89.Add to cart
    Original price was: $17.48.Current price is: $15.89.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Quick Change Gears 8507A

    SKU: WIN8507A
    Product information
    • Weight6.35 lbs
    • Dimensions8.8 × 5 × 1.9 in
    • Material

      Steel

    • Color

      Polished

    • Finish

      Polished

    • Quantity

      Pair

    • Variant

      Yes

    Details...
    Original price was: $128.16.Current price is: $116.51.Add to cart
    Original price was: $128.16.Current price is: $116.51.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Side Bell K5016-02

    SKU: WINK5016-02
    Product information
    • Weight9.9 lbs
    • Dimensions13.6 × 13.6 × 9.4 in
    • Rib Quantity

      8.0

    • Driver Side / Passenger Side

      Driver Side

    • Fill Plug Included

      Yes

    • Fill Plug Thread

      1/4 in NPT

    • Fill Plug Wrench Size

      5/16 in

    Details...
    Original price was: $303.35.Current price is: $275.77.Add to cart
    Original price was: $303.35.Current price is: $275.77.Add to wishlist

    29