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Description
OS Speed B21 3.49cc Off-road Racing Engine Exhaust Pipe SetOS Speed B21 Level 21 3. 49cc Off road Racing Engine Exhaust Pipe Set ADAM DRAKE Edition Features: . Description: Adam Drake is a world class professional racing driver at the ROAR national championship, one of the best cross country RACES in the United States. At the age of eight, he started playing RC suvs in the backyard, and at 14, he started racing cars in earnest. He won the 1 8 ROAR Nitro suv title in 2013 and has five ROAR titles to date. Many
OS Speed B21 Level 21 3.49cc Off-road Racing Engine Exhaust Pipe Set - ADAM DRAKE EditionFeatures:
.Description: Adam Drake is a world-class professional racing driver at the ROAR national championship, one of the best cross-country RACES in the United States. At the age of eight, he started playing RC suvs in the backyard, and at 14, he started racing cars in earnest. He won the 1/8 ROAR Nitro suv title in 2013 and has five ROAR titles to date. Many of his followers around the world supported him on Facebook and Twitter. The o.s. simed B21 ADAM DRAKE Edition, based on his recommendation, redesigned the crankshaft with a stroke change to 16.55mm based on the o.s.simed B2101. Two tungsten hammer specifications have been changed to improve the driving feel. By adjusting the timing of the newly designed cylinder jacket, the special φ6.5 anodized carburetor reducer for off-road racing and the special φ8 anodized carburetor reducer for off-road racing were installed, and the engine was completed to win the large race that met his requirements. An exhaust system with a t-2090sc tuned silencer and an M2004SC (85mm) manifold are also provided
.Features：Designed according to Adam Drake's advice and taste.The engine can be used in both buggy and truck. New design cylinder liner with new porting.New design DLC crankshaft with double tungsten counter weight.New bore x stroke(16.40x16.55mm).carburetor reducers are 6.5mm and 8.0mm.ceramic rear bearing.21J carburetor, the same as OS SPEED spec 2 and spec 3.OS SPEED P3 GOLD plug for better fuel mileage
.Specifications: Displacement: 0.213 cu in (3.49 cc); Bore x Stroke(16.40mm x 16.55mm); Practical rpm: 4,000-42,000rpm; Power Output: 2.65 ps/2.61 hp/34,000rpm; Weight: 353g/12.45oz
.Safety Instruction: The engine is not a toy! Please read the instruction manual to become familiar with the features of the product before operating. Keep yourself and those around you safe. To maintain the best engine performance and longer service life. Incorrect or faulty maintenance can result in damage to the product.
.For Ages: 14+
Specifications:
.Color: As Shown
.Material: Metal
.Product Weight: 353g
.Package Dimensions: 18 x 12 x 10cm
.Package Weight: 500g
.Packing: Box
Package Content:
.1 x Engine + Exhaust Pipe Set
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4.0 ★★★★★
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Product Reviews
★★★★★ 5
Awesome !!
Color: Black, Size: 8 Panel-176'' Wide
This Divider is absolutely as advertized and works perfectly !! The quality is outstanding and the set up is easy to understand. Perfect !!
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Privacy with a dual purpose.
Color: Black, Size: 6 Panel-132'' Wide
While temporarily staying with family or friends, this portable wall offers some privacy and separation of personal space. It is easy to assemble and adjusts to different sizes by ordering different numbers of panels. While it provides a wall on one side, it serves as a place to add a little design and color to the inner space, as it is strong enough to hang a small quilt using clamps on the top rails. It also serves as a great hat rack for my husband’s many ball caps. I plan to continue to use it as a room decider, and to hide stored items from view. It truly makes the most of a small space.
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Reviewed in the United States on September 19, 2024
★★★★★ 5
This product is not see through!!!
Color: Black, Size: 8 Panel-176'' Wide
This separator is excellent for room dividing, I used it to make another room in my house and it is great. You cannot see through this divider at all, it is perfect when ur creating another room
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Reviewed in the United States on May 30, 2025
★★★★★ 3
You get what you pay for…
Color: Beige, Size: 6 Panel-132'' Wide
Inexpensive - Cheap looks and construction
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Reviewed in the United States on November 16, 2025
★★★★★ 5
Very light weight, will
Color: Beige, Size: 6 Panel-132'' Wide, Color: Beige, Size: 6 Panel-132'' Wide
Easy to put together, nice privacy, great height!
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Reviewed in the United States on November 15, 2025
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