Competition Use Only, Not Legal for Road Use
TSP Turbo Stroker Camshaft 408+ CID LS with LS3 Heads
TheTSP Turbo Stroker Camis purpose-built for high-horsepower forced induction LS3-based strokers running big single or twin turbos. Designed to shine with408+ cubic inch builds, this cam is optimized for boost ramp control, upper RPM stability, and strong top-end power in serious street/strip or drag applications.
Camshaft Specifications:
- Duration @ .050 (Intake/Exhaust):235 / 250
- Lift (Intake/Exhaust):.644″ / .632″
- LSA:114
- ICL:112 (114+2)
- Powerband:Upper mid-range to high RPM
- Boost Compatibility:Ideal for 6776mm twin or 8088mm single turbo setups
Required Components:
- Valve Springs:PRC VS2230 or PAC-2187 dual spring kits required
- Pushrods:5/16″ hardened pushrods required
- Recommended Above 7,000 RPM:PAC-1209X springs, 3/8″ pushrods, and Johnson tie-bar lifters
Dyno Proven 1200 HP Stroker Setup:
This camshaft was dyno-tested on aTSP Dart 427 CIDshort block with the following components:
- PRC 260cc Stainless Steel Cylinder Heads
- TSP Stealth Low Profile Intake Manifold
- Twin Pulsar 6866G Turbos
- Flowtech 1-7/8 Turbo Headers
- CX Racing Air-to-Water Intercooler 105F average intake air temps
- Fuel: VP Racing X85
Dyno pull started at7 PSIand ramped up to20 PSIat peak power delivering massive boost-friendly gains across the entire curve.
Best Suited For:
- 408+ CID LS engines with LS3-based cylinder heads
- Aftermarket pistons with valve reliefs
- Large single or twin turbo builds (67mm88mm)
- Race-focused street builds, roll racing, and high-power drag setups
- Aftermarket cylinder heads and intake manifold strongly recommended
TheTSP Turbo Stroker Camshaftwas designed to dominate in serious boosted LS builds. If youre pushing big cubes, big boost, and want a cam to match, this is the one that gets it done.
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