BTR LS Truck Camshaft – Stage 4 V3 (BTR-LSTRUCKSTG4-V3)
Overview
The BTR Stage 4 V3 Truck Camshaft is the most aggressive option in the V3 truck cam lineup, engineered for maximum horsepower and extended RPM capability. Designed for performance-focused builds, this cam prioritizes top-end power while still delivering usable midrange torque.
Developed using advanced valvetrain simulation, Spintron testing, and extensive dyno validation, the Stage 4 V3 is built for high-performance LS truck applications that demand serious output.
Key Features
- Maximum horsepower potential in the V3 truck cam lineup
- Strong top-end power with extended RPM range
- Very aggressive idle with pronounced lope
- Designed using real-world truck intake and exhaust configurations
- Extensive dyno and combustion analysis validation
- 100% USA-designed and manufactured
Specifications
- Duration @ .050": 219° / 23X°
- Lift (Valve): .553" / .553"
- Lobe Separation Angle (LSA): 108.5°
- Intake Lobe Lift @ TDC: 0.0614"
- Rocker Arm Ratio: 1.7:1
Recommended Setup
- Engine Compatibility: GM Gen III & IV LS (4.8L – 6.2L)
- Valve Springs: BTR-SK018 (Required)
- Lifters: GM LS7 (X12499225)
- Lifter Trays: BTR95365-4
- Pushrods: One-piece chromoly (Required)
- Pushrod Length: 7.400" (verify during install)
Performance Characteristics
- RPM Range: 2200 – 6700 RPM
- Idle Quality: Very aggressive lope
- Chop Rating: 8/10
- Idle Vacuum @ 750 RPM: 56 kPa
- Estimated Gains: 64+ HP / 24+ lb-ft with ~1000+ RPM extended range
- Converter Requirement: Aftermarket torque converter recommended
- Drivability: Best suited for lightweight, performance-oriented trucks and street builds
Why Choose the V3 Truck Cam?
The BTR V3 Truck Cam series is a clean-sheet design utilizing modern simulation tools and race-proven engineering. The Stage 4 is built for those who want maximum output, aggressive sound, and extended RPM capability—making it the ultimate choice for high-performance LS truck builds.
Important Note
⚠️ Stage 4 V3 cams require upgraded valvetrain components.
Must be paired with BTR-SK018 valve springs (or equivalent) and one-piece chromoly pushrods to ensure proper operation and durability.
