The BTR LS1/LS2 Stage 3 V2 moves further up the LS1/LS2 Stage lineup, adding more duration and lift than the Stage 2 for a stronger mid-to-top-end power gain on GM LS-series engines built with supporting valvetrain. It delivers an 18% peak horsepower gain over the OEM LS2 camshaft.
- Part number: BTR-LS1STAGE3
- Application: GM LS-series (LS1/LS2)
- Camshaft style: Hydraulic roller
- Lift (int/exh): 0.636 in / 0.636 in
- Intake duration: 227
- Lobe separation angle (LSA): 111.5
- Sold: Each
This camshaft will not require flycutting of pistons with the factory LS2 combustion chamber size; if the heads are milled, check piston-to-valve clearance. An aftermarket torque converter stall is necessary to unlock the camshaft's full potential, and installation requires BTR's .660 in Lift Platinum spring kit with titanium retainers and hardened pushrods.
FAQ
What does the BTR LS1STAGE3 cam fit?
GM LS-series engines (LS1/LS2).
What's the lift and duration?
0.636 in intake / 0.636 in exhaust lift, 227 intake duration, 111.5 LSA.
How does this compare to the Stage 2?
It steps up duration (227 vs 221) and intake lift (0.636 vs 0.624) for more top-end power.
What else is required for installation?
BTR's .660 in Lift Platinum spring kit with titanium retainers and hardened pushrods, plus an aftermarket torque converter stall to unlock the camshaft's full potential.
