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LG Motorsports G5X3 (G5X-3) cam: specs, price & owner results
| Spec | Value |
|---|---|
| Engine | Gen III/Gen IV LS |
| Style | HYDRAULIC ROLLER |
| RPM range | 2500-6800 |
Parts to install it: cam bolts to match your cam gear (1-bolt or 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.
Check current price at Lgmotorsports.
- Tune: Aftermarket cams need idle, fuel, spark and torque-model changes.
What owners report with this cam
| Engine | Heads | HP | TQ | Measured at | Adder | Confidence |
|---|---|---|---|---|---|---|
| LS6 5.7 | 550 | 670 | Wheel | nitrous | High | |
| LS6 5.7 | AFR 205 | 486 | 437 | Wheel | NA | High |
| LS6 5.7 | LG G5X-3 CNC ported heads | 470 | 426 | Wheel | NA | High |
| LS6 5.7 | AFR 205 | 467 | 432 | Not stated | NA | High |
| LS6 5.7 | 205cc runner heads with 2.05 in valves | 450 | 418 | Wheel | NA | Medium |
| stock heads | 436 | 406 | Not stated | NA | Medium | |
| LS6 | stock LS6 heads | 435 | 403 | Wheel | NA | High |
| LS6 | stock LS6 243 heads | 431 | 404 | Wheel | NA | High |
| LS6 | stock | 427 | 401 | Not stated | NA | Medium |
| ls6 | 415 | 378 | Wheel | NA | High |
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.