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COMP Cams Ultra Pro Mag Rockers Chrysler

Marsoni M251S
Sale price$449.69
Pay 4 payments of $112.42 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
COMP Cams Ultra Pro Mag Rockers ChryslerApplications: Chrysler LA Small Block 273 360 c. i. d. V8 Ratio ULTRA Pro Magnum Roller Rocker ArmsMade from SAE 8620 chromemoly Steel and heat treated for maximum strength and stiffness Contain proprietary bushing insertsDesigned to handle Roller lobes and higher spring ratesUnique oil system oils all critical parts for long lasting serviceSystems include a special adjuster which allows the use of conventional ball end Pushrods Also Available in
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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
4.8 ★★★★★
Based on 1744 reviews
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Product Reviews
C
Verified Purchase
Chelsey R
Omaha, US
★★★★★ 5
Great replacement
Size: For 5.5HP 6HP 7.5HP
Works as it should. Easy to swap out.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 12, 2025
D
Verified Purchase
Dan
Grantham, US
★★★★★ 5
Works
Size: For 60 65 70 75 HP
Works great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
B
Verified Purchase
Billy kinney
San Leandro, US
★★★★★ 4
Great product
Size: For 85-300 HP
Complete rebuild kit for $38 and great quality and fast delivery
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 30, 2025
G
Verified Purchase
grog
Charlottesville, US
★★★★★ 5
If pump doesn't seem to work
Size: For 85-300 HP, Size: For 85-300 HP
Hi....I apologize it took me a while to get back to you with my results. Here is what I discovered about the pump and will also apply to some of the other comments I read in the reviews with people not getting the pump to work: 1.) I removed the pump to check the proper direction of the impeller and it was correct as can be seen in the photo. 2.) I built a pump shaft attachement so that I could operate the pump with a power drill. 3.) I attached the water muff to the unit and tried to pump water.....it wouldn't do so. What I did see however was that even at high hose discharge and small leakage at the muff I could not fill the water cavity in the housing. 4.) I installed a strap around the muff and tightened it very tight and THEN at high hose pressure I was able to get the cavity to fill with water. 5.) At that point I activated the drill and was able to get the pump to actually pump water. I then removed the pump housing and removed the O-Ring that resides on top of the impeller, reassembled and it would not pump water. Since the O-Ring sits higher than the original does I wanted to make sure that it was necessary to have it in the pump. 6.) I reassembled the engine and kept the tight strap on the bottom and finally it pumped water into the engine. My conclusion that you can reply to other buyers if they have a problem: Do NOT underestimate 2 things....1.)the lack of ability of the pump to draw water up AND 2.)the fact that if the muff leaks it will NOT fill the cavity when common sense says it should. This was a 120hp Johnson. The engine bottom must be immersed fully or the muff must be very tight on the lower unit for the pump to function. Please feel free to post this if you wish.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 12, 2024
M
Verified Purchase
Monchita
Pawtucket, US
★★★★★ 5
Exelente
Size: For 85-300 HP
Exelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026

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