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COMP Cams Camshaft CRB3 299Th R7 Thumper

Marsoni M251S
Sale price$244.97
Pay 4 payments of $61.24 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
COMP Cams Camshaft CRB3 299Th R7 ThumperDesigned 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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4.0 ★★★★★
Based on 1301 reviews
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Verified Purchase
doug powers
Pawtucket, US
★★★★★ 4
Car run better
Size: Pack of 1, Style: Fuel System Treatment
Very easy to use just pour and go.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2022
W
Verified Purchase
Wilson-Doge
Fort Morgan, US
★★★★★ 5
Excellent value for treatment
Size: Pack of 1, Style: Fuel System Treatment, Size: Pack of 1, Style: Fuel System Treatment
Fuel my turbo and engine run smooth after adding this... Excellent results
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 22, 2022
J
Verified Purchase
joseph j
Chelsea, US
★★★★★ 5
quality fine product.
Size: Pack of 1, Style: Fuel System Treatment
keeps vehicle running smooth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2023
M
Verified Purchase
Michael Lynch
Birmingham, US
★★★★★ 5
Very Nice
Size: Pack of 1, Style: Fuel System Treatment
Very Nice Item and Fast Shipping!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2020
L
Verified Purchase
Linemen045
Omaha, US
★★★★★ 1
Cheap
Size: Pack of 1, Style: Fuel System Treatment
Didn’t make an executive
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026

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