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⚡ Give your LS truck the kick it deserves — no spring swap needed!
The BTR Brian Tooley Racing Truck Norris NSR Camshaft is a high-performance camshaft designed for 1999-2013 GM Gen3/4 LS truck engines (4.8 to 6.2L). It delivers increased power and torque across the RPM range with a 212/22X duration and 107 LSA, all while allowing you to reuse your factory valve springs and pushrods. Developed through extensive in-house design and dyno testing, this camshaft offers an aggressive idle and smooth operation with stock torque converters, making it a top choice for LS truck enthusiasts seeking a hassle-free upgrade.
| ASIN | B0BLTCSKSV |
| Best Sellers Rank | #212,051 in Automotive ( See Top 100 in Automotive ) #38 in Automotive Replacement Engine Camshafts |
| Brand | BTR Brian Tooley Racing |
| Customer Reviews | 4.5 4.5 out of 5 stars (31) |
| Date First Available | November 8, 2022 |
| Exterior | Machined |
| Item Weight | 11.33 pounds |
| Item model number | BTR Truck Norris NSR |
| Manufacturer | Brian Tooley Racing BTR |
| Manufacturer Part Number | Truck Norris NSR |
| Model | BTR Truck Norris NSR |
| Package Dimensions | 22.2 x 3.8 x 2.9 inches |
J**S
Music to me ears
This should be standard in every truck. Say goodbye to fuel mileage lol
N**R
GREAT CAM
Great cam. I must have for your LS engine. 5 star rating for the BTR TRUCK NORRIS NSR CAM.
K**A
Good chop, reliable valvetrain
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
J**.
5.3l lm7 gen3 ls
Cam came in perfect condition no complaints. Can go wrong with a BTR cam
J**A
Good cam
Good cam fast shipping was used on a 2001 GMC Sierra 5.3
S**N
WOW WOW WOW
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.
D**S
Needs to be tuned after install..plus springs will help more than u think
Quality: Installed this cam on a lm7 5.3.....backfires through the intake and throw random misfire codes constantly..U ABSOLUTELY NEED A TUNE AFTER INSTALLING....still waiting to tune...now I can't drive the truck...
Trustpilot
Hace 2 meses
Hace 2 meses