Home › Cams › Brian Tooley Racing L83 L84 Stage 4 Truck Camshaft - BTR-L83STAGE4
Brian Tooley Racing L83 L84 Stage 4 Truck Camshaft - BTR-L83STAGE4 cam: specs, price & owner results
217/23X, .644"/.644", 114 LSA
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| Spec | Value |
|---|---|
| Part number | BTR-L83STAGE4 |
| Engine | Gen V LT |
| Application | GM LT TRUCK |
| Style | HYDRAULIC ROLLER |
| Cam bolt | SINGLE BOLT |
| Duration @ .050 (int/exh) | 217 / 23X |
| Lift (int/exh) | .644 / .644 |
| LSA | 114.0 |
| Price | $409.99 (Brian Tooley Racing, 2026-09-29) |
Check current price at Brian Tooley Racing
Tuning checklist
- Tune: Aftermarket cams need idle, fuel, spark and torque-model changes.
- AFM engines: PCM must be recalibrated to stop commanding deactivation.
- AFM/DOD: Built for AFM/DOD delete — needs the delete parts and a tune
- Cam gear: Single bolt
Sources
- DOD, AFM, And DFM Deletes: A Q&A With Michigan Motorsports — LSX Magazine