Description

Piston Ring Compressor – 4.040 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 4.040 AC-RC4040”

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

    PROFORGED Pitman Arm 103-10050

    SKU: PFG103-10050
    Product information
    • Weight2.45 lbs
    • Dimensions7.5 × 3.7 × 2.9 in
    • Quantity

      Each

    • Center To Center Length

      5 in

    • Material

      Steel

    • Color

      Black

    • Finish

      Paint

    Details...
    Original price was: $114.94.Current price is: $99.95.Add to cart
    Original price was: $114.94.Current price is: $99.95.
    Quantity Only 6 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PERMATEX Wheel Restore Kit Black 9143

    SKU: PEX09143
    Product information
    • Weight0.205 lbs
    • Dimensions8 × 4 × 1.25 in
    • Product Line

      Wheel Restoration Kit

    • Color

      Black

    • Finish

      Gloss

    • Quantity

      Kit

    • Variant

      Yes

    Details...
    Original price was: $25.82.Current price is: $23.47.Add to cart
    Original price was: $25.82.Current price is: $23.47.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PEM Premium Quick Change Gears 65015

    SKU: PEM65015
    Product information
    • Weight5.75 lbs
    • Dimensions8.4 × 5 × 1.6 in
    • Product Line

      Premium

    • Spline

      10

    • Set Number

      15

    • Gear 1 Tooth Count

      19

    • Gear 2 Tooth Count

      20

    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 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Replacement Shaft for 8558 Distributor ASY15667

    SKU: MSDASY15667
    Product information
    • Weight0.605 lbs
    • Dimensions11.6 × 1.3 × 1.15 in
    • Quantity

      Each

    • Outside Diameter

      0.500 in

    • Length

      10.375 in

    • Material

      Chromoly

    • Color

      Black

    Details...
    Original price was: $173.79.Current price is: $157.99.Add to cart
    Original price was: $173.79.Current price is: $157.99.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    RANCHO RS5000X Shock RS55281

    SKU: RAN55281
    Product information
    • Weight4.45 lbs
    • Dimensions24.25 × 4 × 3.25 in
    • Brand

    • Condition

    • Type

    • Manufacturer Part Number

      RS55281

    Details...
    Original price was: $76.26.Current price is: $66.31.Add to cart
    Original price was: $76.26.Current price is: $66.31.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    RANCHO RS7MT Shock RS77326

    SKU: RAN77326
    Product information
    • Weight5.453 lbs
    • Dimensions24 × 4.25 × 3.25 in
    • Product Line

      RS7MT

    • Internal Design

      Monotube

    • Gas/Hydraulic

      Gas

    • Stroke Length

      8.18 in

    • Compressed Length

      15.24 in

    Details...
    Original price was: $91.99.Current price is: $79.99.Add to cart
    Original price was: $91.99.Current price is: $79.99.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TRANSGO Reprogramming Kit GM TH400 65-Up 400-1&2

    SKU: TGO400-1-2
    Product information
    • Weight2.66 lbs
    • Dimensions15.6 × 11.95 × 2.7 in
    • Product Line

      Gear Command

    • Quantity

      Kit

    • Gaskets Included

      Yes

    • O-Rings Included

      Yes

    • Separator Plate Included

      Yes

    Details...
    Original price was: $117.00.Current price is: $105.57.Add to cart
    Original price was: $117.00.Current price is: $105.57.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TRANS-DAPT Sb Chevy Chrm Timing Tab 4960

    SKU: TRA4960
    Product information
    • Weight0.145 lbs
    • Dimensions6.35 × 4.75 × 2.15 in
    • Quantity

      Each

    • Material

      Steel

    • Color

      Chrome

    • Finish

      Plated

    • Style

      Tab

    Details...
    Original price was: $6.18.Current price is: $5.62.Add to cart
    Original price was: $6.18.Current price is: $5.62.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HEPFNER RACING PRODUCTS Header Rack HRP6700A-WHT

    SKU: HRPHRP6700A-WHT
    Product information
    • Weight7.96 lbs
    • Dimensions20.65 × 8.55 × 5.5 in
    • Intended Purpose

      Storage Brackets

    • Compartment Quantity

      1

    • Horizontal

      Yes

    • Width

      19.5 in

    • Mounting Location

      Wall Mount

    Details...
    Original price was: $44.75.Current price is: $40.68.Add to cart
    Original price was: $44.75.Current price is: $40.68.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY SBF 302 Distributor Dual Sync 565-202

    SKU: HLY565-202
    Product information
    • Weight4.3 lbs
    • Dimensions17.7 × 6.9 × 6.8 in
    • Quantity

      Each

    • Variant

      Yes

    • Product Line

      EFI Dual Sync

    • Variant Group

      Distributors98

    • Variant Column

      Housing Color

    Details...
    Original price was: $649.00.Current price is: $589.95.Add to cart
    Original price was: $649.00.Current price is: $589.95.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist

    72