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COMP Cams Camshaft FC 283Th R7 Thumper R

Marsoni M251S
Sale price$288.83
Pay 4 payments of $72.21 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
COMP Cams Camshaft FC 283Th R7 Thumper RDesigned to deliver an aggressive, hard hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series' early intake valve opening and long exhaust duration create optimum overlap for that race car idle. The Thumpr grinds all require an aftermarket torque converter and lower gear ratio to ensure the drivetrain
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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.
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4.7 ★★★★★
Based on 1007 reviews
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Verified Purchase
Earl Johnson
Whiting, US
★★★★★ 5
It's good quality. I was happy.
It was package very well. The impeller felt of quality of course it could have been priced cheaper. I would buy it again. Then they ask u if it was easy to install. Hell no. Anyone that's had to changed one nos it sucks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2024
T
Verified Purchase
Tammy & Kevin VanHoozier
Whiting, US
★★★★★ 4
Great for Merc 200
Bought for my 1985 Mercury Black Max 200. Perfect fit! Only downside was no instructions included.
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Reviewed in the United States on August 11, 2025
R
Verified Purchase
Robert Ciaciura
Dallas, US
★★★★★ 5
Worked with slight modification
Had to slightly widen the holes in metal gasket to make it fit.
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Reviewed in the United States on September 30, 2025
M
Verified Purchase
Mike Lawver
Lowell, US
★★★★★ 5
MRLAW
Timely delivery. Kit seems to made of high quality materials.
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Reviewed in the United States on August 12, 2025
B
Verified Purchase
bryan
Omaha, US
★★★★★ 5
Very satisfied
Product was as described.
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Reviewed in the United States on July 24, 2025

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