The Speedmaster Chevy LS2 forged pistons (PCE305.1122) are precision-engineered components designed for LS2 engine builds requiring a 4.005" bore diameter. Built from forged material, these pistons deliver the strength and durability needed for high-performance and racing applications. The flat-top crown design and .927" wrist pin specification make them suitable for aggressive engine tuning and custom builds where reliability under load is critical.
These pistons are typically used in LS2 engine rebuilds, performance upgrades, and race applications where OEM pistons may not meet performance targets. Forged construction provides superior resistance to detonation and mechanical stress compared to cast alternatives. Installation requires proper clearance, ring selection, and honing to OEM or custom specifications. Always verify fitment with your specific LS2 engine platform and consult technical documentation for proper assembly procedures.
Key Features & Benefits
- Forged Construction: Forged material provides superior strength and detonation resistance for high-performance applications.
- LS2 Specific Design: Engineered for Chevy LS2 engines with 4.005" bore diameter compatibility.
- Flat-Top Crown: Flat-top design optimized for combustion efficiency and performance engine tuning.
- .927" Wrist Pin: Precision wrist pin specification ensures proper fitment and reliable operation in LS2 applications.
Specifications
| Brand | Speedmaster |
| MPN | PCE305.1122 |
| Engine Platform | Chevy LS2 |
| Bore Diameter | 4.005" |
| Wrist Pin Diameter | .927" |
| Crown Style | Flat Top |
| Material | Forged |
Ideal Applications
- LS2 engine rebuilds and restoration
- High-performance and racing engine builds
- Custom engine tuning and upgrades
- Competition and track applications