Brand:
Manufacturer’s Part Number:
TRUCKNORRIS-NSR
Part Type:
Product Line:
Summit Racing Part Number:
BTC-S0393
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
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.
Intake Duration at 050 inch Lift:
212
Exhaust Duration at 050 inch Lift:
22X
Duration at 050 inch Lift:
212 int./22X exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.498 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.498 in.
Valve Lift with Factory Rocker Arm Ratio:
0.498 int./0.498 exh.
Lobe Separation (degrees):
107.5
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Valve Springs Required:
No
Quantity:
Sold individually.
BTR camshafts are designed for excellent performance and great drivability. Brian Tooley Racing offers a large number of camshafts and combinations to fit many applications for trucks and cars. Numerous grinds for turbo, supercharged, and naturally aspirated combinations are available for your project, all backed by years of experience, knowledge, and a passion for power.
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