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2 days
Speedmaster PCE305.1124 forged pistons are engineered for Chevy LS1 engines with a 3.905" bore diameter and flat top design. These precision-forged pistons deliver durable, high-performance compression and ring stability for racing and high-output street builds.
With a 1.065" pin height and .927" thickness, these pistons provide the tight tolerances and robust construction required for LS1 power builds. Ideal for engine rebuilds, performance upgrades, and competition applications where reliable piston quality is critical.
| Brand | Speedmaster |
| Model / MPN | PCE305.1124 |
| Application | Chevy LS1 |
| Bore Diameter | 3.905 inches |
| Pin Height | 1.065 inches |
| Thickness | .927 inches |
| Piston Design | Flat Top |
| Construction | Forged |
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