Fleece designed these rocker arm bridges for high-stress Duramax builds. They're machined from billet tool steel, surface ground flat and nitrided for a hard, low-friction finish.
They drop in for GM 12638258, 97219193 and 97380130, and a set covers all 16 bridges.
Owners of 2001-2023 Chevrolet Silverado / GMC Sierra 2500/3500 Duramax trucks building for more power.
| Engine | 6.6L Duramax, 2001-2023 (LB7 through L5P) |
|---|---|
| Material | Billet tool steel, nitrided |
| Quantity | 16 |
| Replaces | GM 12638258, 97219193, 97380130 |
| Warranty | 1-year limited parts (Fleece) |
| Shipping weight | 2 lb |
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
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