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.

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

    PROFORGED Upper Ball Joint 101-10044

    SKU: PFG101-10044
    Product information
    • Weight1.895 lbs
    • Dimensions4.6 × 3.75 × 3.65 in
    • Quantity

      Each

    • Mounting Style

      Bolt In

    • Upper/Lower

      Upper

    • Greasable

      Yes

    • Mounting Bolts Included

      Yes

    Details...
    Original price was: $57.44.Current price is: $49.95.Add to cart
    Original price was: $57.44.Current price is: $49.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    NITROUS EXPRESS 10lb. Nitrous Bottle 11100

    SKU: NXS11100
    Product information
    • Weight15.4 lbs
    • Dimensions24.4 × 7.7 × 7.3 in
    • Quantity

      Each

    • Capacity (Lb)

      10 lb

    • Valve Style

      Lightning 500

    • Valve Material

      Aluminum

    • Valve Color

      Black

    Details...
    Original price was: $351.20.Current price is: $305.39.Add to cart
    Original price was: $351.20.Current price is: $305.39.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MOOG Cam Bolt Kit K7030

    SKU: MOGK7030
    Product information
    • Weight1.78 lbs
    • Dimensions5.8 × 4.2 × 3.35 in
    • Bushing Material

      Steel

    • Quantity

      Kit

    • Application Specific

      Yes

    • Hardware Included

      Yes

    • Material

      Steel

    Details...
    Original price was: $56.91.Current price is: $51.74.Add to cart
    Original price was: $56.91.Current price is: $51.74.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MILODON SBC Timing Pointer – 8in Balancer 65750

    SKU: MIL65750
    Product information
    • Weight0.265 lbs
    • Dimensions9.8 × 5.9 × 1.65 in
    • Quantity

      Each

    • Style

      Pointer

    • Balancer Outside Diameter

      8 in

    • Adjustable

      Yes

    • Hardware Included

      Yes

    Details...
    Original price was: $45.94.Current price is: $39.95.Add to cart
    Original price was: $45.94.Current price is: $39.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LOKAR E-Brake Boot Trans Mt 70-EHBT

    SKU: LOK70-EHBT
    Product information
    Details...
    Original price was: $53.85.Current price is: $48.95.Add to cart
    Original price was: $53.85.Current price is: $48.95.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    U-B MACHINE Lower Control Arm Mount Pair 46-1092

    SKU: UBM46-1092
    Product information
    • Weight3.695 lbs
    • Dimensions8.55 × 8.25 × 3.8 in
    • Material

      Steel

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Pair

    • Style

      Trailing Arm

    Details...
    Original price was: $36.01.Current price is: $32.74.Add to cart
    Original price was: $36.01.Current price is: $32.74.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WEIAND Bbc Stealth (Rect-Port) 8018

    SKU: WEI8018
    Product information
    • Weight23.16 lbs
    • Dimensions25.3 × 12.45 × 7.4 in
    • Material

      Aluminum

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    • Style

      Dual Plane

    Details...
    Original price was: $480.00.Current price is: $435.95.Add to cart
    Original price was: $480.00.Current price is: $435.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Quick Change Gears 8503

    SKU: WIN8503
    Product information
    • Weight6.545 lbs
    • Dimensions8.85 × 5.05 × 2 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.Add to wishlist
  • Add to wishlist
    Sale
    COMP CAMS Roller Lifter - SBC 871-1
    Add to wishlist

    COMP CAMS Roller Lifter – SBC 871-1

    SKU: COM871-1
    Product information
    • Weight0.285 lbs
    • Dimensions4.4 × 2.1 × 1 in
    • Product Line

      Endure-X

    • Lifter Style

      Mechanical Roller

    • Body Diameter

      0.842 in

    • Pushrod Seat Height

      1.88 in

    • Weight

      138 grams

    Details...
    Original price was: $86.19.Current price is: $74.95.Add to cart
    Original price was: $86.19.Current price is: $74.95.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist

    82