Please select a Type and Size to check availability, or to add this item to your Shopping Cart or Wish List.
Bel Ray Thumper Racing Works Synthetic Ester 4T Motor Oil is a 4-stroke synthetic motorcycle racing oil that has been developed for full works competition use and is designed to withstand extreme racing conditions. Full synthetic ester base oils withstand the highest temperatures and stresses which provide the ultimate 4-stroke motorcycle oil. Meets API SM and JASO MA2 requirements. Suitable for air-cooled/liquid-cooled 4-stroke engines and wet clutches.
|Product Style||RevZilla Item #||Manufacturer Product #||Availability|
|10W50 / 1 Liter||775952||99550-B1LW||In Stock: Ships within 24 hours|
|10W50 / 4 Liter||775981||99550-B4LW||Available: Requires 1-5 business days lead time prior to shipment|
|10W60 / 1 Liter||1124166||99551-B1LW||In Stock: Ships within 24 hours|
|10W60 / 4 Liter||1124167||99551-B4LW||In Stock: Ships within 24 hours|
Orders $39.99 and over qualify for our fast free shipping offer. Click Here for FREE Shipping Terms and Conditions.
Please see our International Orders page for orders shipping outside the US.
We show real-time availability on this product page when you select the size/color item you want. Most items will ship the same business day an order is placed,however if an item requires additional processing time a message will be shown indicating such.
See our full Shipping Policy for further details.
If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.
Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.
See our full Return Policy for all of the pertinent details.
Have a functionality, fit, or otherwise product-specific question about the Bel-Ray Thumper Racing Works Synthetic Ester 4T Engine Oil? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.