CHEVROLET PERFORMANCE
Chevrolet Performance GM Gen V 6.2L 1.590" Exhaust Valve - 12678746
- Part Number:
- 12678746
- MPN:
- 12678746
- Shipping:
- Free over $98 in U.S. 48
- Type:
- 1.590 Exhaust Valves
- Head Diameter (in):
- 1.590
- Stem Diameter (in.):
- 0.315
- Valve Material:
- Steel
- Installed Height (in.):
- Stock
- Notes:
- Sodium-Filled
- Notes:
- Sold Individually
Description
Chevrolet Performance GM Gen V 6.2L 1.590" Exhaust Valve - 12678746
Ideal For:
- GM Gen V 6.2 L LT-series engines (LT1, LT4, LT5, L86, L87)
- High-performance rebuilds and cylinder-head overhauls
- Factory-correct replacements using OEM-grade components
- Builders seeking maximum heat control and durability
Features & Specifications
| Specification | Detail |
|---|---|
| Manufacturer | Chevrolet Performance |
| Part Number | 12678746 |
| Type | Exhaust Valve |
| Engine Compatibility | 6.2 L LT1 / LT4 / LT5 / L86 / L87 (Gen V V8) |
| Head Diameter | 1.590 in (40.38 mm) |
| Stem Diameter | 8 mm |
| Overall Length | 5.200 in (132.1 mm) |
| Seat Angle | 45 degrees |
| Material | Heat-treated steel alloy, sodium-filled stem |
| Finish | Precision-ground, hardened tip |
| Weight | Approx. 74 g (each) |
| Quantity | Sold individually |
| Locks Included | No |