


Dillon 45ACP Caliber Conversion Kits | RL550 / RL450 Series
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Dillon 45ACP Caliber Conversion Kits | RL550 / RL450 SeriesDillon Precision caliber conversion kits allow you to adapt your machine from one caliber to another in minutes. They are a great way to maximize machine use when reloading multiple calibers. Caliber conversion kits vary by machine type, and include various parts for each machine to quickly change calibers. Please see the tabs below for specifics about each machine type.
Quick Dispatch:
Your Dillon 45ACP Caliber Conversion Kits | RL550 / RL450 Series orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Dillon 45ACP Caliber Conversion Kits | RL550 / RL450 Series ships.
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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
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4.5 ★★★★★
Based on 1450 reviews
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★★★★★ 5
Cheap price for the cable and terminal ends with heat shrink.
Size: 20FT Black & 20FT Red
Good 6 gauge wire, jacket seems sturdy and like it won't crack easily over time like some wire.
Comes with all the connectors shown too so you don't need to find end ring connections to terminate the ends.
Just need a punch or crimp tool for the terminals but if you already have that then just cut your wire length and add the ends for battery cable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
★★★★★ 5
Fixed my over temp warning issue.
Easy to change and work like new. No more over temp warning at idle.
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Reviewed in the United States on June 9, 2025
★★★★★ 5
Outboard thermostat
Works fine. A little pricey but better to buy the best than risk a cheap failure and destroy your engine like i did once.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Good
Good
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Works as it should
Works as it should
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