Description

Piston Ring Compressor – 4.320 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.

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 “AKERLY-CHILDS Ring Compressor 4.320 AC-RC4320”

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

    MSD IGNITION BBC L/P Crank Trigger Distributor – Black 85583

    SKU: MSD85583
    Product information
    • Weight4.35 lbs
    • Dimensions18.9 × 6.9 × 6.8 in
    • Product Line

      Pro-Billet

    • Trigger Style

      Crank

    • Advance Type

      None

    • Cap Style

      Male

    • Cap Color

      Black

    Details...
    Original price was: $580.00.Current price is: $526.95.Add to cart
    Original price was: $580.00.Current price is: $526.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    ISKY CAMS SBC Solid Camshaft 201549

    SKU: ISK201549
    Product information
    • Weight8.55 lbs
    • Dimensions24.25 × 2.5 × 2.5 in
    • Product Line

      Hi-Rev Oval Track

    • Camshaft Lifter Style

      Mechanical Flat Tappet

    • Advertised Intake Duration

      288.0

    • Intake Duration At 0.050 In

      258.0

    • Advertised Exhaust Duration

      296.0

    Details...
    Original price was: $363.14.Current price is: $330.13.Add to cart
    Original price was: $363.14.Current price is: $330.13.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WEATHERTECH SunShade TS1190

    SKU: WEATS1190
    Product information
    • Weight3 lbs
    • Dimensions40 × 5 × 3 in
    • Application Specific

      Yes

    • Material

      Cloth / Plastic

    • Color

      Black / Silver

    • Finish

      Natural

    • Quantity

      Each

    Details...
    Original price was: $93.00.Current price is: $83.95.Add to cart
    Original price was: $93.00.Current price is: $83.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Terminator X-Max Engine Management Systems 550-928

    SKU: HLY550-928
    Product information
    • Weight12.41 lbs
    • Dimensions14.7 × 12.7 × 9.7 in
    • Product Line

      EFI Terminator X Max

    • Wiring Harness Included

      Yes

    • Map Sensor Included

      Yes

    • Map Sensor Style

      1 Bar

    • Self Tuning

      Yes

    Details...
    Original price was: $2,310.00.Current price is: $2,099.95.Add to cart
    Original price was: $2,310.00.Current price is: $2,099.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WHITELINE PERFORMANCE Bump Stop Bushing Universal W93503

    SKU: WHIW93503
    Product information
    • Weight0.29 lbs
    • Dimensions5.45 × 4.35 × 1.95 in
    • Style

      Button Head

    • Mounting Style

      Bolt-On

    • Front/Rear

      Front

    • Color

      Black

    • Quantity

      Pair

    Details...
    Original price was: $17.86.Current price is: $14.88.Add to cart
    Original price was: $17.86.Current price is: $14.88.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WHITELINE PERFORMANCE Bump Stop Bushing Universal W93505

    SKU: WHIW93505
    Product information
    • Weight0.39 lbs
    • Dimensions5.4 × 4.65 × 2.3 in
    • Style

      Button Head

    • Mounting Style

      Bolt-On

    • Front/Rear

      Front

    • Color

      Black

    • Quantity

      Pair

    Details...
    Original price was: $20.26.Current price is: $16.88.Add to cart
    Original price was: $20.26.Current price is: $16.88.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    G-FORCE Shield R17 Amber 8704

    SKU: GFR8704
    Product information
    • Weight0.41 lbs
    • Dimensions12.65 × 7.65 × 6.25 in
    • Color

      Amber

    • Quantity

      Each

    • Variant

      Yes

    • Variant Group

      HelmetShields7

    • Variant Column

      Manufacturer Color

    Details...
    Original price was: $74.75.Current price is: $65.00.Add to cart
    Original price was: $74.75.Current price is: $65.00.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    EDGE PRODUCTS EAS Starter Kit Cable 98602
    Add to wishlist

    EDGE PRODUCTS EAS Starter Kit Cable 98602

    SKU: EDG98602
    Product information
    • Weight0.4 lbs
    • Dimensions9.5 × 6.3 × 1.5 in
    • Color

      Black

    • Finish

      Rubber Coated

    • Quantity

      Kit

    • Cable 1 End 1 Connector

      Daisy-Chain

    • Cable 1 End 1 Connector Pin Count

      5.0

    Details...
    Original price was: $83.00.Current price is: $74.89.Add to cart
    Original price was: $83.00.Current price is: $74.89.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    AUTOMETER 2-1/16 Ammeter 2644
    Add to wishlist

    AUTOMETER 2-1/16 Ammeter 2644

    SKU: ATM2644
    Product information
    • Weight0.5 lbs
    • Dimensions4.9 × 4.6 × 4.5 in
    • Product Line

      Z-Series

    • Gauge Type

      Ammeter

    • Gauge Diameter (In)

      2-1/16 in

    • Gauge Diameter (Mm)

      52.4 mm

    • Sweep

      Short

    Details...
    Original price was: $69.28.Current price is: $62.98.Add to cart
    Original price was: $69.28.Current price is: $62.98.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    ARP SBF Intake Bolt Kit 154-2002
    Add to wishlist

    ARP SBF Intake Bolt Kit 154-2002

    SKU: ARP154-2002
    Product information
    • Weight0.87 lbs
    • Dimensions9.65 × 5.75 × 0.75 in
    • Bolt/Stud Kit

      Bolt

    • Length

      2.25 in

    • Thread

      5/16-18 in

    • Head Size

      3/8 in

    • Material

      Chromoly

    Details...
    Original price was: $33.53.Current price is: $30.48.Add to cart
    Original price was: $33.53.Current price is: $30.48.Add to wishlist

    12