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Brian Tooley Racing 400+ Big Twin Turbo cam: specs, price & owner results
246/26X .619"/.619" 115 LSA
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| Spec | Value |
|---|---|
| Part number | BTR-BTT400+ |
| Engine | Gen III/Gen IV LS |
| Application | TWIN TURBOCHARGED |
| Style | HYDRAULIC ROLLER |
| Cam bolt | THREE BOLT |
| Duration @ .050 (int/exh) | 246 / 26X |
| Lift (int/exh) | .619 / .619 |
| LSA | 115.0 |
| Idle | ultra-aggressive |
| Displacement range | 400–427 ci |
| Turbo/boost | single 102-106mm turbo |
| Price | $409.99 (Brian Tooley Racing, 2026-09-29) |
Check current price at Brian Tooley Racing
Vendor-claimed power: ["2000 rwhp"]
Tuning checklist
- Tune: Aftermarket cams need idle, fuel, spark and torque-model changes.
- Idle: Ultra-aggressive
- Cam gear: Three bolt
Sources
- DOD, AFM, And DFM Deletes: A Q&A With Michigan Motorsports — LSX Magazine