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Description
Vintage - Metal Zinc Synchronizer Blocking Ring - J0991021Overview: Synchronizer Blocking Ring Direct Replacement Crown supports its entire line with a 12 month warranty Application: Year Make Model Submodel Engine Size 1971 1975 Jeep Wagoneer 1971 1975 Jeep CJ5 1974 1975 Jeep Cherokee 1971 1973 Jeep J 4700 1971 1975 Jeep CJ6 1971 1973 Jeep J 4800 1971 1973 Jeep J 4600 1971 1973 Jeep J 4500 1971 1973 Jeep J 2600 1971 1973 Jeep J 2500 1972 1973 Jeep Commando 1971 1973 Jeep J 100 1974 1975 Jeep J10 1974 1975
Overview:
Synchronizer Blocking Ring- Direct Replacement
- Crown supports its entire line with a 12-month warranty
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1971 - 1975 | Jeep | Wagoneer | ||
| 1971 - 1975 | Jeep | CJ5 | ||
| 1974 - 1975 | Jeep | Cherokee | ||
| 1971 - 1973 | Jeep | J-4700 | ||
| 1971 - 1975 | Jeep | CJ6 | ||
| 1971 - 1973 | Jeep | J-4800 | ||
| 1971 - 1973 | Jeep | J-4600 | ||
| 1971 - 1973 | Jeep | J-4500 | ||
| 1971 - 1973 | Jeep | J-2600 | ||
| 1971 - 1973 | Jeep | J-2500 | ||
| 1972 - 1973 | Jeep | Commando | ||
| 1971 - 1973 | Jeep | J-100 | ||
| 1974 - 1975 | Jeep | J10 | ||
| 1974 - 1975 | Jeep | J20 | ||
| 1971 | Jeep | J-3800 |
Specs:
Additional Information:
| SKU Number : | J0991021 |
|---|---|
| Brand : | Crown Vintage |
| UPC : | 848399056853 |
| Part Type : | Synchronizer Blocking Ring |
| Dimension : | 3.25(L) X 3.25(W) X 0.75(H) |
| Weight : | 0.20 lbs. |
| Color : | Zinc Bronze |
| Material/Finish : | Metal Bronze |
| Sold AS : | Each |
|---|---|
| Quantity Required : | 3 |
| Warranty : | 12 Month |
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Exchange/Return Notes
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4.4 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Barkbox Betty
Color: Betty Bigfoot
A lot smaller than pictured. Still like it. Durable. Dog likes to carry toy around. Dog is 70 lbs and a heavy chewer and toy has lasted.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Fave dog toy!
Color: Betty Bigfoot
Great toy! My dog prefers the ball inside which is great for chewing on, bouncing, and playing fetch. Very thick rubber, lasts a good while. The outside cover is pretty tough, but for those who like a challenge it should last a little while. It really depends on how determined and fierce the dog is about chewing! We’ve had 3 of them. We always keep a back up for when one expires!!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Perfect for Heavy Chewers—Huge Hit in Our House!
Color: Aurora Beast
This toy is an absolute favorite in my house! My dogs are usually pretty picky and can destroy most toys within minutes, but this one has seriously impressed me. It’s super durable while still being soft enough for them to carry around and cuddle with.
They’re completely obsessed—whether they’re chewing on it, tossing it around, or just walking around proudly with it in their mouths. It keeps them entertained for a long time, which is a huge win.
Definitely worth it if you have strong chewers and want something that actually lasts. I’ll be buying more from this line for sure!
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Reviewed in the United States on April 4, 2026
★★★★★ 5
SUPERB FOR AGGRESSIVE CHEWERS
Color: Betty Bigfoot
Our Silver Lab, Theo, is a VERY aggressive chewer who loves destroying balls! We bought Barkbox Betty for Theo’s Birthday, and it was almost a week before Theo removed the cover when he discovered the ball inside and he loves it! And it’s tough design seems to be holding up! Eager to figure out if it floats!
We will definitely buy this high quality toy again!
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Reviewed in the United States on February 22, 2026
★★★★★ 4
Too hard and heavy.
Color: Fowl Play
Very cute idea but my dog was not at all interested. It’s too hard for her to chew on. She didn’t even care enough about it to rip the outside. It’s hard and heavy. I will stick with the non-super chewer bark toys. They don’t last as long, but she loves them.
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Reviewed in the United States on September 2, 2025