Description

Piston Rings – Performance – 4.000 in Bore – Drop In – 5/64 x 5/64 x 3/16 in Thick – Standard Tension – Steel – Moly – 8-Cylinder – Kit

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 SEALED POWER

With a history stretching back over a century, Sealed Power produces internal replacement components designed for high-performance applications on both track and street. Their product line includes pistons, piston rings, engine bearings, camshafts, oil pumps, timing components, and valvetrain products.

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 “SEALED POWER Moly Piston Ring Set E377K”

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

    RANCHO Shock Absorber RS55367

    SKU: RANRS55367
    Product information
    • Weight6.09 lbs
    • Dimensions3.31 × 3.31 × 24.25 in
    • Brand

    • Type

    • Condition

    • Manufacturer Part Number

      RS55367

    Details...
    Original price was: $63.90.Current price is: $58.09.Add to cart
    Original price was: $63.90.Current price is: $58.09.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PROFORM Calibrated Test Spring Kit: Heavy/Medium/Light BB1901

    SKU: PFMBB1901
    Product information
    Details...
    Original price was: $97.69.Current price is: $84.95.Add to cart
    Original price was: $97.69.Current price is: $84.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    NITROUS EXPRESS Nitrous Universal Burst Plate 15462

    SKU: NXS15462
    Product information
    • Weight0.35 lbs
    • Dimensions4.8 × 4.4 × 3.4 in
    • Quantity

      Each

    • Material

      Aluminum

    • Color

      Black

    • Finish

      Anodized

    • Shape

      Square

    Details...
    Original price was: $130.33.Current price is: $113.33.Add to cart
    Original price was: $130.33.Current price is: $113.33.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QA1 Pro Coil Mustang II Single Adjustable MS301

    SKU: QA1MS301
    Product information
    • Weight3.7 lbs
    • Dimensions19.1 × 3.9 × 3.6 in
    • Quantity

      Each

    • Product Line

      Mustang II Front Coil-Over Shock

    • Internal Design

      Twintube

    • Gas/Hydraulic

      Hydraulic

    • Threaded Body

      Yes

    Details...
    Original price was: $297.00.Current price is: $269.95.Add to cart
    Original price was: $297.00.Current price is: $269.95.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MONIT Wheel Probe PR001

    SKU: MMSPR001
    Product information
    Details...
    Original price was: $51.75.Current price is: $45.00.Add to cart
    Original price was: $51.75.Current price is: $45.00.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Bosch O2 Sensor 554-101

    SKU: HLY554-101
    Product information
    • Weight0.365 lbs
    • Dimensions5.8 × 5.65 × 2.8 in
    • Quantity

      Each

    • Mounting Style

      Screw-In

    • Cat3.5

      Oxygen Sensors

    • Narrowband / Wideband

      Wideband

    • Style

      Bosch LSU4

    Details...
    Original price was: $220.00.Current price is: $199.95.Add to cart
    Original price was: $220.00.Current price is: $199.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Storage Box 36-176

    SKU: HLY36-176
    Product information
    • Weight4 lbs
    • Dimensions19.5 × 14.9 × 13.2 in
    • Material

      Plastic

    • Color

      Black

    • Finish

      Natural

    • Quantity

      Each

    • Intended Purpose

      Carburetor

    Details...
    Original price was: $96.37.Current price is: $87.61.Add to cart
    Original price was: $96.37.Current price is: $87.61.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    GRANT Installation Kit 4286

    SKU: GRT4286
    Product information
    • Weight0.505 lbs
    • Dimensions5.7 × 4.95 × 1.75 in
    • Steering Wheel Bolt Quantity

      3-Bolt

    • Intended Steering Column

      OE Column

    • Horn Adapter Included

      Yes

    • Hardware Included

      Yes

    • Cover Material

      Aluminum

    Details...
    Original price was: $35.26.Current price is: $32.05.Add to cart
    Original price was: $35.26.Current price is: $32.05.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    FAST ELECTRONICS EZ TCU Transmission Controller Kit 30282-KIT

    SKU: FST30282-KIT
    Product information
    • Weight4.805 lbs
    • Dimensions15.9 × 14.1 × 4.9 in
    • Hardware Included

      Yes

    • Quantity

      Kit

    • Wiring Harness Included

      Yes

    • Digital Display Included

      Yes

    • Programming Method

      Hand Held

    Details...
    Original price was: $890.15.Current price is: $809.23.Read more
    Original price was: $890.15.Current price is: $809.23.Add to wishlist
  • Add to wishlist
    Sale
    DYNATECH SBC Stahl Header Adapter 796-00100
    Add to wishlist

    DYNATECH SBC Stahl Header Adapter 796-00100

    SKU: DTH796-00100
    Product information
    • Weight3.7 lbs
    • Dimensions24 × 6 × 1.5 in
    • Material

      Aluminum

    • Finish

      Natural

    • Quantity

      Kit

    • Color

      Natural

    • Thickness

      5/8 in

    Details...
    Original price was: $231.66.Current price is: $210.60.Add to cart
    Original price was: $231.66.Current price is: $210.60.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist

    13