BTR LS Truck Camshaft – Stage 3 V3 (BTR-LSTRUCKSTG3-V3)
Overview
The BTR Stage 3 V3 Truck Camshaft delivers a significant increase in power across the entire RPM range, with a strong emphasis on top-end performance while maintaining usable street manners. This is the go-to choice for aggressive street trucks looking for a noticeable lope and substantial performance gains.
Developed through advanced valvetrain simulation, Spintron testing, and extensive dyno validation, the V3 lineup ensures consistent performance, durability, and optimized combustion efficiency across all LS truck platforms.
Key Features
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Significant gains in horsepower and torque across the powerband
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Strong top-end performance with extended RPM capability
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Aggressive idle with a pronounced lope
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Designed using real-world truck intake and exhaust configurations
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Extensive dyno and combustion analysis validation
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100% USA-designed and manufactured
Specifications
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Duration @ .050": 213° / 22X°
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Lift (Valve): .549" / .549"
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Lobe Separation Angle (LSA): 109°
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Intake Lobe Lift @ TDC: 0.0502"
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Rocker Arm Ratio: 1.7:1
Recommended Setup
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Engine Compatibility: GM Gen III & IV LS (4.8L – 6.2L)
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Valve Springs: BTR-SK018 (Required)
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Lifters: GM LS7 (X12499225)
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Lifter Trays: BTR95365-4
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Pushrods: One-piece chromoly (Required)
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Pushrod Length: 7.400" (verify during install)
Performance Characteristics
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RPM Range: 1900 – 6400 RPM
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Idle Quality: Noticeable lope (similar to “Truck Norris”)
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Chop Rating: 6/10
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Idle Vacuum @ 750 RPM: 42 kPa
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Estimated Gains: +64 HP / +27 lb-ft (peak-to-peak)
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Converter Requirement: Works with OE converter (with proper tuning), aftermarket recommended for best performance
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Drivability: Strong midrange and top-end with near-stock torque below ~2500 RPM
Why Choose the V3 Truck Cam?
The BTR V3 Truck Cam series is a clean-sheet design built using modern simulation tools and race-proven development strategies. The Stage 3 stands out as the best all-around performance option in the lineup—offering a wide powerband, aggressive sound, and real-world drivability without compromising reliability.
