★★★★★ 5
Stay cool
Just what I needed, super fast shipping
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Reviewed in the United States on October 19, 2025
COMP Cams Camshaft CB 321Jr-12
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
COMP Cams Camshaft CB 321Jr-12BBC 1965 66 396 c. i. d. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1 800 999 0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to
Quick Dispatch:
Your COMP Cams Camshaft CB 321Jr-12 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 COMP Cams Camshaft CB 321Jr-12 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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4.3 ★★★★★
Based on 665 reviews
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Product Reviews
★★★★★ 5
Outboard is Cooling
The repair kit arrived on time as scheduled. The kit contained everything needed to replace the Mercury 175 OptiMax impeller. The engine is cooling now and we are back on the water without issue. Easy replacement.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 5, 2023
★★★★★ 5
Carries all the current I want. Super flexible, great price
Size: 8 AWG 3 ft per color, Color: Red and Black
Very nice high quality. Somebody tried to tell me this was aluminum strands. But after test sanding an exposed end, I could see copper color. I believe the confusion is they are individually tinned strands? 🤷 Just sayin...
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Reviewed in the United States on June 28, 2025
★★★★★ 5
good quality.
Size: 8 AWG 3 ft per color, Color: Red and Black
The wire worked very well for my project.
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Reviewed in the United States on April 22, 2024
★★★★★ 5
Well worth the money
Size: 8 AWG 3 ft per color, Color: Red and Black, Size: 8 AWG 3 ft per color, Color: Red and Black
Much easier to use over trying to put the hard case extension wires in my solar controllers.. very well made.
Now I can feel confident I got the wires in properly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2019
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