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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
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Description
Big Block Installation Kit: ReThe Big Block Conversion Kit from Traxxas allows Revo owners the option of installing various . 21 . 28 size engines. Engines that will work with no modifications are O. S. . 21 VZ B Team Orion WASP . 28 and the Dynamite Mach . 26 See comments for information on installing other engines. FEATURES: Components required to install a big block engine in your Traxxas Revo model INCLUDES: Forward only conversion kit TRAC5387 Universal engine mount Manifold
The Big Block Conversion Kit from Traxxas allows Revo owners the option of installing various .21-.28 size engines. Engines that will work with no modifications are O.S. .21 VZ-B Team Orion WASP .28 and the Dynamite Mach .26 See comments for information on installing other engines. FEATURES: Components required to install a big block engine in your Traxxas Revo model INCLUDES: Forward only conversion kit - TRAC5387 Universal engine mount Manifold with gasket and spring Flywheel and clutch nut Forward only shaft Miscellaneous hardware required for installation REQUIRES: A big block engine with pilot shaft style crankshaft COMMENTS: The following engines are known to work with modification: Nova Rossi 528, Nova Rossi .21 P-5, Picco .21 Maxx, Sirio S23TX, Sirio S27, and Team Orion Wasp .26 The following engines are known to not work with this conversion: Thunder Tiger Magnum Pro 21, Associated Pro 21R, O.S. .21 RG and O.S. .21 RZShipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Fun ball
It doesn’t last a whole long time, but she loves it! It’s crazy and it drives her playfulness crazy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
★★★★★ 2
No squeak balls
Color: A.Green+Orange
They don’t squeak. They bounce much either.
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Reviewed in the United States on March 25, 2026
★★★★★ 3
Too big for puppies
Color: A.Green+Orange
The balls were a bit too big for my 6 month chihuahuas:/ they are as big as a tennis ball so puppies didn’t like nor play with them
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Frenchie approved
Color: A.Orange+Blue+Green
Frenchie approved
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Soft and light
Color: A.Orange+Blue+Green
My doxie loves them
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Reviewed in the United States on April 26, 2026
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