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

    PERTRONIX IGNITION Ignitor Conversion Kit 1283P6

    SKU: PRT1283P6
    Product information
    • Weight0.225 lbs
    • Dimensions6.2 × 4.9 × 1.7 in
    • Product Line

      Ignitor

    • Trigger Method

      Magnetic

    • Voltage

      6V

    • Positive / Negative Ground

      Positive

    • Quantity

      Kit

    Details...
    Original price was: $192.00.Current price is: $174.04.Add to cart
    Original price was: $192.00.Current price is: $174.04.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QA1 Shock Pro-Coil Front Only GS501

    SKU: QA1GS501
    Product information
    • Weight4.13 lbs
    • Dimensions19.1 × 3.9 × 3.6 in
    • Product Line

      501 GM Front Coil-Over Shock

    • Internal Design

      Twintube

    • Gas/Hydraulic

      Hydraulic

    • Threaded Body

      Yes

    • Recommended Spring Length

      10 in

    Details...
    Original price was: $303.00.Current price is: $274.95.Add to cart
    Original price was: $303.00.Current price is: $274.95.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MOROSO Valve Spring Compressor 62370

    SKU: MOR62370
    Product information
    • Weight2.837 lbs
    • Dimensions11.6 × 6.9 × 3 in
    • Quantity

      Each

    • Material

      Steel

    • Color

      Chrome

    • Finish

      Plated

    • Actuation Method

      Lever

    Details...
    Original price was: $186.29.Current price is: $161.99.Add to cart
    Original price was: $186.29.Current price is: $161.99.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SEALED POWER Moly Piston Ring Set E232K

    SKU: SEAE232K
    Product information
    • Weight1.19 lbs
    • Dimensions5.2 × 5 × 3.2 in
    • Quantity

      Kit

    • Variant

      Yes

    • Variant Group

      Piston Rings146

    • Variant Column

      Bore (standard)

    • Product Line

      Performance

    Details...
    Original price was: $94.89.Current price is: $86.26.Add to cart
    Original price was: $94.89.Current price is: $86.26.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SKYJACKER HYDRO SHOCK W/RED BOOT H7060

    SKU: SKYH7060
    Product information
    • Weight6.3 lbs
    • Dimensions24.5 × 3 × 3 in
    • Product Line

      Hydro H7000 Series

    • Internal Design

      Twintube

    • Gas/Hydraulic

      Hydraulic

    • Compressed Length

      17.32 in

    • Extended Length

      29.83 in

    Details...
    Original price was: $58.00.Current price is: $51.87.Add to cart
    Original price was: $58.00.Current price is: $51.87.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TUFF-STUFF Alternator Conversion Pigtail 7625B

    SKU: TFS7625B
    Product information
    • Weight0.11 lbs
    • Dimensions8.35 × 2.8 × 1.9 in
    • Quantity

      Each

    • Intended Application

      Alternator

    • Side 1 Connection Style

      Male Plug

    • Side 2 Connection Style

      Female Plug

    • End 1 Number Of Pins

      2.0

    Details...
    Original price was: $30.82.Current price is: $28.02.Add to cart
    Original price was: $30.82.Current price is: $28.02.
    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 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

    WINTERS Quick Change Gears 4418

    SKU: WIN4418
    Product information
    • Weight3.7 lbs
    • Dimensions7.2 × 4.6 × 1.4 in
    • Spline

      6

    • Set Number

      18.0

    • Gear 1 Tooth Count

      13.0

    • Gear 2 Tooth Count

      22.0

    • 3:78 Ring And Pinion Low Ratio

      2:23

    Details...
    Original price was: $90.12.Current price is: $81.93.Add to cart
    Original price was: $90.12.Current price is: $81.93.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Thrust Bearing 67562

    SKU: WIN67562
    Product information
    Details...
    Original price was: $5.58.Current price is: $5.07.Add to cart
    Original price was: $5.58.Current price is: $5.07.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    FAST ELECTRONICS Distributor Cap – Large Diameter 1000-1550

    SKU: FST1000-1550
    Product information
    • Weight0.57 lbs
    • Dimensions5.65 × 5.5 × 2.65 in
    • Quantity

      Each

    • Material

      Plastic

    • Color

      Black

    • Finish

      Natural

    • Product Line

      XDI Sportsman

    Details...
    Original price was: $26.39.Current price is: $22.95.Add to cart
    Original price was: $26.39.Current price is: $22.95.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist

    10