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

    MR. GASKET Crankcase Evacuation Sys 6002

    SKU: MRG6002
    Product information
    • Weight1.45 lbs
    • Dimensions9.6 × 5 × 3.7 in
    • Quantity

      Kit

    • Check Valve Inlet Size

      1/2 in NPT

    • Check Valve Inlet Style

      Female

    • Check Valve Outlet Size

      5/8 in

    • Check Valve Outlet Style

      Hose Barb

    Details...
    Original price was: $87.37.Current price is: $79.43.Add to cart
    Original price was: $87.37.Current price is: $79.43.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    RATECH Basic Kit GM 7.5in & 7.625in 408K

    SKU: RAT408K
    Product information
    • Weight0.645 lbs
    • Dimensions6.85 × 6.8 × 3.85 in
    • Product Line

      Basic Kit

    • Quantity

      Kit

    • Pinion Depth Shims Included

      Yes

    • Crush Sleeve Included

      Yes

    • Cover Gasket Included

      Yes

    Details...
    Original price was: $20.42.Current price is: $18.56.Add to cart
    Original price was: $20.42.Current price is: $18.56.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    RACING ELECTRONICS Helmet Adapter T805-M

    SKU: RCET805-M
    Product information
    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

    MOPAR PERFORMANCE Enamel-Blue P4120752AC

    SKU: MOPP4120752AC
    Product information
    • Weight0.98 lbs
    • Dimensions7.85 × 2.7 × 2.65 in
    • Brand

    • Condition

    • Type

    • Manufacturer Part Number

      P4120752AC

    Details...
    Original price was: $16.88.Current price is: $14.68.Add to cart
    Original price was: $16.88.Current price is: $14.68.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SCHOENFELD Crossover Headers 1-5/8 135

    SKU: SCH135
    Product information
    • Weight28.5 lbs
    • Dimensions37 × 20.7 × 10 in
    • Length

      Full

    • Style

      Crossover

    • Crossover Style

      Yes

    • Primary Diameter

      1.625 in

    • Collector Diameter

      3 in

    Details...
    Original price was: $365.82.Current price is: $332.56.Add to cart
    Original price was: $365.82.Current price is: $332.56.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SIMPSON SAFETY Crossform Pack 42087

    SKU: SIM42087
    Product information
    • Weight0.39 lbs
    • Dimensions10.05 × 8.95 × 1.75 in
    • Color

      Silver

    • Quantity

      Each

    • Style

      Cross Form

    • Material

      Aluminized Kevlar

    • Finish

      Natural

    Details...
    Original price was: $184.00.Current price is: $166.95.Add to cart
    Original price was: $184.00.Current price is: $166.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    ISKY CAMS SBC Solid Camshaft 201536

    SKU: ISK201536
    Product information
    • Weight8.5 lbs
    • Dimensions24.25 × 2.5 × 2.5 in
    • Material

      Cast Iron

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    • Product Line

      OVAL TRACK

    Details...
    Original price was: $345.16.Current price is: $313.78.Add to cart
    Original price was: $345.16.Current price is: $313.78.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TUFF-STUFF Proportioning Valve Kit Disc/Drum Chrome 2302NA

    SKU: TFS2302NA
    Product information
    • Weight1.25 lbs
    • Dimensions8.5 × 3.4 × 1.8 in
    • Material

      Brass

    • Color

      Chrome

    • Finish

      Plated

    • Quantity

      Kit

    • Style

      Combination

    Details...
    Original price was: $146.77.Current price is: $133.43.Add to cart
    Original price was: $146.77.Current price is: $133.43.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TRANS-DAPT SB Chevy DBL LWP Lower 9607

    SKU: TRA9607
    Product information
    • Weight2.453 lbs
    • Dimensions16.55 × 10.45 × 3 in
    • Diameter

      6.9 in

    • Short / Long Water Pump

      Long

    • Material

      Steel

    • Color

      Chrome

    • Finish

      Plated

    Details...
    Original price was: $76.05.Current price is: $69.14.Add to cart
    Original price was: $76.05.Current price is: $69.14.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HALTECH Elite 2500 ECU HT-151300

    SKU: HTHHT-151300
    Product information
    • Weight2.35 lbs
    • Dimensions9.2 × 8.7 × 2.2 in
    • Product Line

      Elite 2500

    • Quantity

      Each

    • Self Tuning

      Yes

    • User Tunable

      Yes

    • Timing Control

      Yes

    Details...
    Original price was: $2,252.85.Current price is: $1,959.00.Add to cart
    Original price was: $2,252.85.Current price is: $1,959.00.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist

    71