Description

Piston Ring Compressor – 4.375 in Bore – Tapered – Billet Aluminum – Black Anodized – Each

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 AKERLY-CHILDS

Akerly & Childs is based out of Valencia, CA, and offers a product line that includes piston rings and Clevite engine bearings for the Drag Race, Circle Track, Tractor Pull, and Marine/Offshore Racing markets. Within the Akerly & Childs product line, you will also find the tools needed to work with their products, including ring grinders, assembly oil, bearing lube, and piston ring roundness gauges.

Reviews

There are no reviews yet.

Be the first to review “AKERLY-CHILDS Ring Compressor 4.375 AC-RC4375”

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

    PROFORM Coil Bracket Kit – LS1 Both Sides 69520

    SKU: PFM69520
    Product information
    • Weight2.59 lbs
    • Dimensions14.6 × 4.4 × 2.3 in
    • Quantity

      Kit

    • Material

      Aluminum / Steel

    • Color

      Black

    • Finish

      Anodized / Paint

    • Coil Style

      Coil Pack

    Details...
    Original price was: $61.34.Current price is: $55.76.Add to cart
    Original price was: $61.34.Current price is: $55.76.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PEM Premium Quick Change Gears 65007

    SKU: PEM65007
    Product information
    • Weight5.29 lbs
    • Dimensions8.45 × 5.05 × 1.65 in
    • Product Line

      Premium

    • Spline

      10

    • Set Number

      7

    • Gear 1 Tooth Count

      23

    • Gear 2 Tooth Count

      26

    Details...
    Original price was: $176.21.Current price is: $160.19.Add to cart
    Original price was: $176.21.Current price is: $160.19.
    Quantity Only 6 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    NITROUS EXPRESS Replacement Jet 17032

    SKU: NXS17032
    Product information
    • Weight0.01 lbs
    • Dimensions3.2 × 1.85 × 0.75 in
    • Product Line

      HP Jets

    • Inside Diameter

      0.032 in

    • Jet Number

      32.0

    • Style

      Flare

    • Material

      Brass

    Details...
    Original price was: $7.62.Current price is: $6.63.Add to cart
    Original price was: $7.62.Current price is: $6.63.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    NITROUS EXPRESS Replacement Jet 17016

    SKU: NXS17016
    Product information
    • Weight0.02 lbs
    • Dimensions3.75 × 1.75 × 0.75 in
    • Product Line

      HP Jets

    • Inside Diameter

      0.016 in

    • Jet Number

      16.0

    • Style

      Flare

    • Material

      Brass

    Details...
    Original price was: $7.62.Current price is: $6.63.Add to cart
    Original price was: $7.62.Current price is: $6.63.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QA1 Stocker Star Shock – Double Adjustable TD706

    SKU: QA1TD706
    Product information
    • Weight4.2 lbs
    • Dimensions19.1 × 3.9 × 3.6 in
    • Quantity

      Each

    • Product Line

      Stocker Star Double Adjustable

    • Bushing Material

      Polyurethane

    • Bushing Color

      Black

    • Application Specific

      Yes

    Details...
    Original price was: $346.45.Current price is: $314.95.Add to cart
    Original price was: $346.45.Current price is: $314.95.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QUICK FUEL TECHNOLOGY Metering Block Conv. Kit – E-85 34-106QFT

    SKU: QFT34-106
    Product information
    • Weight1.43 lbs
    • Dimensions9.1 × 7.1 × 1 in
    • Material

      Aluminum

    • Quantity

      Kit

    • Block / Plate

      Block

    • Model

      4150 / 4700

    • Primary / Secondary

      Primary / Secondary

    Details...
    Original price was: $275.00.Current price is: $249.95.Add to cart
    Original price was: $275.00.Current price is: $249.95.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QUICK FUEL TECHNOLOGY 50cc Pump Arm Assembly 63-4QFT

    SKU: QFT63-4
    Product information
    • Weight0.115 lbs
    • Dimensions4.05 × 2.95 × 1.15 in
    • Hardware Included

      Yes

    • Material

      Steel

    • Color

      Cadmium

    • Finish

      Plated

    • Quantity

      Each

    Details...
    Original price was: $13.00.Current price is: $11.46.Add to cart
    Original price was: $13.00.Current price is: $11.46.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MPD RACING Bolt Kit For Front Hub MPD28528

    SKU: MPD28528
    Product information
    • Weight0.27 lbs
    • Dimensions4.05 × 2.45 × 0.9 in
    • Intended Use

      Front Hub

    • Bolt/Stud/Clip Kit

      Bolt

    • Length

      1.000 in

    • Thread

      3/8-16 in

    • Fastener Head Style

      Allen

    Details...
    Original price was: $18.39.Current price is: $15.99.Add to cart
    Original price was: $18.39.Current price is: $15.99.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    VENTSHADE Window Ventvisor 94981

    SKU: VEN94981
    Product information
    • Weight2.7 lbs
    • Dimensions47 × 12 × 2 in
    • Product Line

      Original Ventvisor

    • Application Specific

      Yes

    • Front Mounting Style

      Stick-On

    • Rear Mounting Style

      Stick-On

    • In Channel / Out Of Channel

      Out of Channel

    Details...
    Original price was: $70.00.Current price is: $62.99.Add to cart
    Original price was: $70.00.Current price is: $62.99.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOOKER Ford Headers 6115HKR

    SKU: HKR6115
    Product information
    • Weight45.2 lbs
    • Dimensions46.5 × 24.5 × 14.5 in
    • Product Line

      Super Competition

    • Length

      Full

    • Flange Thickness

      0.3125 in

    • Primary Diameter

      1.875 in

    • Primary Gauge

      18-Gauge

    Details...
    Original price was: $1,015.00.Current price is: $921.95.Add to cart
    Original price was: $1,015.00.Current price is: $921.95.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist

    41