BTR Gen 3 & 4 Truck Norris NSR Cam

Marsoni

M251S

$179.47

Get it in 3 business days with 1 day shipping. Friday, May 29

BTR Gen 3 & 4 Truck Norris NSR CamBTR Gen III & IV LS Truck Norris No Springs Required Cam No Springs Required More Power Everywhere Specs: 212 22X duration, . 498 . 498 lift, 107 LSA Intake lobe lift @ TDC: 0. 05030 NSR design compatible with factory valve springs Broad torque and power gains across the RPM range Ideal for 19992013 Silverado, Sierra, and other LS powered trucks Built from extensive in house dyno testing and custom lobe design Delivers improved performance over BTR's

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Your BTR Gen 3 & 4 Truck Norris NSR Cam orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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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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It was super easy to swap out myself! I just searched “how to change engine air filter 2017 Acura RDX” on YouTube and watched the first video that popped up. It took me longer to type this than it did to change the filter. Plus, this one cost about a third of what Valvoline was going to charge me to replace it.

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Reviewed in the United States on August 10, 2025

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kyeong seob choe

Port Orchard, US

★★★★★ 5

Great

Size: (Pack of 1)

Great

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Reviewed in the United States on December 31, 2025

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