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Brian Tooley Racing Gen III & IV Truck Cam - Stage 2 - NSR - 31218110NSR cam: specs, price & owner results
212/218 .480/.480 111+0
| Spec | Value |
|---|---|
| Part number | BTR-31218110NSR |
| Engine | Gen III/Gen IV LS |
| Application | GM LS TRUCK |
| Style | HYDRAULIC ROLLER |
| Cam bolt | THREE BOLT |
| Duration @ .050 (int/exh) | 212/218 |
| Lift (int/exh) | .480/.480 |
| LSA | 111.0 |
| Advance | 0.0 |
| Converter | Works with stock converters |
| Price | $389.99 (Brian Tooley Racing, 2026-09-29) |
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Buy it: Brian Tooley Racing Gen III & IV Truck Cam - Stage 2 - NSR - 31218110NSR
Parts to install it: cam bolts (3-bolt); 7.400 in. pushrods (hardened; 7.400 in. is stock length, so measure first); timing cover gaskets (the front cover comes off to change the cam); timing chain (replace it on a high-mileage engine or with a big cam). More: LS cam swap guide.
- Tune: Aftermarket cams need idle, fuel, spark and torque-model changes.
- Converter (automatics): Works with stock converters
- Valve springs: Stock springs OK
- Cam gear: Three bolt
What owners report with this cam
| Engine | Heads | HP | TQ | Measured at | Adder | Confidence |
|---|---|---|---|---|---|---|
| 255 | Wheel | NA | Low |
Installing it? Follow our LS cam swap guide (Gen III and Gen IV, any chassis), with every torque spec you need. In a 1998–2002 Camaro or Firebird, the F-body cam and valve spring swap goes bolt by bolt.
Build a turn-on tune sheet for this cam → Idle and spark starting values, from real tunes. Always finish on a dyno.
New Already running this cam? Send us your tune and we'll compare it with similar builds and tunes we've reviewed. Get a Tune Report → $19, free while we launch.