Bel-ray Thumper Racing Synthetic Ester Blend 4t Engine Oil
Bel-ray Thumper Racing Synthetic Ester Blend 4t Engine Oil
Available in stock (15)
-
Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Bel-Ray Thumper Racing Synthetic Ester Blend 4T Engine Oil is specifically formulated for the demands of single-cylinder, multi-valve off-road and racing motorcycle and ATV engines. This high-performance 10W-40 oil provides superior protection and performance in extreme conditions.
Description
This unique blend combines high-quality synthetic esters and highly refined mineral base oils with premium additives to deliver exceptional anti-wear protection for valve trains, rings, cylinders, and pistons. Extreme pressure additives ensure smoother shifting and consistent clutch performance, maximizing horsepower output. Bel-Ray Thumper Racing Oil is engineered to withstand the rigors of intense racing, offering reliable performance whether you're changing your oil every 2-4 hours on an MX bike or every 3500-4000 miles on a dual-sport motorcycle. Meets or exceeds JASO MA2 and API SN requirements. This oil is your top choice for ultimate engine protection.
Features & highlights
- Provides exceptional anti-wear protection for critical engine components.
- Ensures smoother shifting and consistent clutch performance.
- Maximizes horsepower output for peak performance.
- Withstands extreme racing conditions, providing reliability when you need it most.
- Specifically formulated for single-cylinder, multi-valve engines.
- Ideal for both MX bikes (2-4 hour oil change intervals) and dual-sport motorcycles (3500-4000 mile intervals).
- Ester-based formula offers superior film strength and thermal stability.
Technical specifications
- Brand: Bel-Ray
- Type: Engine Oil
- Oil Base: Ester (Synthetic)
- Viscosity (Weight): 10W-40
- Application: 4-Stroke
- Meets or Exceeds Requirements for: JASO MA2, API SN
- Container Size: 4 liter (1.05 US gal.)
- Packaging: Sold Each
Important to know
This product is sold individually. Case quantity is 4 per case.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
BEL-RAY
99520-B4LW
Oil
4-Stroke
Engine
Each


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

