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

    MILODON BBF Windage Tray Installation Kit 81190

    SKU: MIL81190
    Product information
    • Weight1.583 lbs
    • Dimensions9.7 × 5.8 × 0.65 in
    • Quantity

      Set of 4

    • Material

      Steel

    • Color

      Black

    • Finish

      Oxide

    • Length

      6.245 in

    Details...
    Original price was: $127.59.Current price is: $110.95.Add to cart
    Original price was: $127.59.Current price is: $110.95.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MILODON BBM Oil System Single Line Static 21010

    SKU: MIL21010
    Product information
    • Weight5.25 lbs
    • Dimensions15 × 10.2 × 4.8 in
    • Intended Mount

      Oil Tank

    • Mounting Location

      Motor Plate

    • Bolt-On / Clamp-On / Weld-On Bracket Mount

      Bolt-On

    • Mounting Hole Size

      5/16 in

    • Mounting Hole Center To Center

      4 in

    Details...
    Original price was: $666.94.Current price is: $579.95.Add to cart
    Original price was: $666.94.Current price is: $579.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    Ti22 PERFORMANCE Stacked Front Bumper 4130 Black TIP7005

    SKU: TIP7005
    Product information
    • Weight3.83 lbs
    • Dimensions20 × 11 × 5.5 in
    • Style

      Sprint Car

    • Material

      Chromoly

    • Color

      Black

    • Finish

      Powder Coat

    • Quantity

      Each

    Details...
    Original price was: $87.59.Current price is: $72.99.Add to cart
    Original price was: $87.59.Current price is: $72.99.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TRANS-DAPT 6in Air Cleaner Stud & Nut 2175

    SKU: TRA2175
    Product information
    • Weight0.11 lbs
    • Dimensions7.3 × 2.7 × 1.05 in
    • Material

      Steel

    • Color

      Zinc

    • Finish

      Oxide

    • Quantity

      Each

    • Nut Included

      Yes

    Details...
    Original price was: $3.27.Current price is: $2.97.Add to cart
    Original price was: $3.27.Current price is: $2.97.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HALTECH WB2 Bosch Dual Channel O2 Controller Kit HT-159986

    SKU: HTHHT-159986
    Product information
    Details...
    Original price was: $632.50.Current price is: $550.00.Add to cart
    Original price was: $632.50.Current price is: $550.00.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOWE Ball Joint Upper Direct Weld Housing Std 22320DW

    SKU: HOW22320DW
    Product information
    • Weight1.32 lbs
    • Dimensions4 × 2.5 × 2 in
    • Product Line

      Precision

    • Upper/Lower

      Upper

    • Greasable

      Yes

    • Quantity

      Each

    • Mounting Style

      Weld In

    Details...
    Original price was: $108.61.Current price is: $98.74.Add to cart
    Original price was: $108.61.Current price is: $98.74.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WEATHERTECH Black Front FloorLiner 4417081

    SKU: WEA4417081
    Product information
    • Weight6.23 lbs
    • Dimensions30.5 × 25.5 × 5 in
    • Product Line

      FloorLiner

    • Application Specific

      Yes

    • First Row Included

      Yes

    • First Row 1 / 2 Piece

      2 Piece

    • Textured

      Yes

    Details...
    Original price was: $148.00.Current price is: $133.95.Add to cart
    Original price was: $148.00.Current price is: $133.95.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Main Jets (2) 122-69

    SKU: HLY122-69
    Product information
    • Weight0.03 lbs
    • Dimensions5 × 3.45 × 0.8 in
    • Fuel Type

      Gasoline

    • Inside Diameter

      0.0693 in

    • Jet Number

      69.0

    • Style

      Main

    • Thread

      1/4-32 in

    Details...
    Original price was: $16.00.Current price is: $14.30.Add to cart
    Original price was: $16.00.Current price is: $14.30.Add to wishlist
  • Add to wishlist
    Sale
    FLAMING RIVER Tri-5 Triangular Shaped  Swivel Floor Mount FR20101-57
    Add to wishlist

    FLAMING RIVER Tri-5 Triangular Shaped Swivel Floor Mount FR20101-57

    SKU: FLAFR20101-57
    Product information
    • Weight0.47 lbs
    • Dimensions8.25 × 5.9 × 1.3 in
    • Material

      Aluminum

    • Color

      Polished

    • Finish

      Polished

    • Quantity

      Each

    • Mounting Style

      Bolt On

    Details...
    Original price was: $168.44.Current price is: $153.13.Add to cart
    Original price was: $168.44.Current price is: $153.13.Add to wishlist
  • Add to wishlist
    Sale
    DEE ZEE Large Poly Triangle Trailer Box DZ 91717P
    Add to wishlist

    DEE ZEE Large Poly Triangle Trailer Box DZ 91717P

    SKU: DZZ91717P
    Product information
    • Weight25 lbs
    • Dimensions36 × 24 × 20 in
    • Material

      Plastic

    • Color

      Black

    • Finish

      Natural

    • Quantity

      Each

    • Intended Mounting Location

      Trailer Tongue

    Details...
    Original price was: $197.30.Current price is: $179.36.Add to cart
    Original price was: $197.30.Current price is: $179.36.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist

    135