The Brian Tooley Racing (BTR) Stage 3 Camshaft (BTRBTR-LS1STAGE3) is designed for Gen III/IV LS engines, including 4.8L, 5.3L, 5.7L, and 6.0L variants. This camshaft offers an aggressive idle and is suitable for naturally aspirated applications aiming for significant power gains.
Key Features:
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Engine Compatibility: Gen III/IV LS engines (4.8L, 5.3L, 5.7L, 6.0L)
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Cam Type: Hydraulic roller
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Duration @ .050": 231° intake / 242° exhaust
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Lift: 0.617" intake / 0.592" exhaust
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Lobe Separation Angle: 112°
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Idle Characteristics: Aggressive idle suitable for performance applications
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Power Gains: Approximately 18% peak horsepower increase over the OEM LS2 camshaft
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Valvetrain Requirements: Requires .660" lift dual valve springs with titanium retainers and hardened pushrods
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Cam Bolt Pattern: 3-bolt
This camshaft has been developed using advanced BTR-designed lobes, Spintron, and engine dyno testing to achieve optimal power curves while maintaining valvetrain stability and durability.