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Technical Articles for Part Number BTC-TRUCKNORRIS
BTR TRUCKNORRIS Camshaft for 1999-2013 Silverado and Sierra with LS Engine
Part Number: BTC-TRUCKNORRIS
Camshaft, TRUCKNORRIS, 212 Intake Duration at 0.050 in. Lift, 0.553 in./0.553 in. Lift, 107 LSA, 3-Bolt, 4.8L, 5.3L, 6.0L, Gen III/IV LS, Each
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Estimated Ship Date: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
TRUCKNORRIS
Part Type:
Product Line:
Summit Racing Part Number:
BTC-TRUCKNORRIS
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
The Truck Norris 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
Intake Valve Lift with Factory Rocker Arm Ratio:
0.553 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.553 in.
Valve Lift with Factory Rocker Arm Ratio:
0.553 int./0.553 exh.
Lobe Separation (degrees):
107
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Valve Springs Required:
Yes
Quantity:
Sold individually.
BTR Camshafts
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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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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