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Your cart is empty.Developed from the success of the original Truck Norris, this NSR (No Springs Required) camshaft will deliver a roundhouse kick in the pants to your 1999-2013 Silverado or Sierra. Developed from hundreds of hours of in house cam lobe design and dyno testing, this camshaft has more power and torque everywhere in the curve compared to our legendary V2 truck cams.
Kanan sciacca
Reviewed in the United States on February 7, 2025
Everyone always wants the biggest most gnarly cam you can get and don't know about the drop in valvetrain life. The truck Norris gives a nice chop but doesn't kill your valve train like the bigger cams, I've used several of these and it's my go to for any build not going exclusively to the track. I'd still change to the ls6 springs just to add some safety because the stick springs don't love higher rpm
Seann
Reviewed in the United States on February 22, 2023
Threw this cam in a 2001 4.8 LR4 along with new springs. Run's like a top and sounds amazing. Great product as always from BTR.
Jose Mendoza
Reviewed in the United States on November 14, 2023
Good cam fast shipping was used on a 2001 GMC Sierra 5.3
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