The Speedmaster PCE271.1023 is a precision hardened steel valve spring shim designed for engine valve train assembly and adjustment. This shim measures 1.220" outer diameter, 0.511" inner diameter, and 0.030" thick, providing the exact spacing and support needed for proper valve spring seating and preload management during engine rebuilds or valve clearance adjustment.
Hardened steel construction ensures durability and dimensional stability under the high pressures and repeated cycles of engine operation. This valve spring shim is commonly used in automotive engine rebuilding, performance engine tuning, and valve train maintenance to achieve precise valve clearances and optimize engine performance. The precision dimensions make it suitable for a wide range of small-block and mid-block engines where exact shim thickness is critical for proper valve operation and longevity.
Key Features & Benefits
- Hardened Steel Construction: Provides strength and durability to withstand engine valve train pressures and cycling.
- Precision Dimensions: 1.220" OD, 0.511" ID, 0.030" thick for accurate valve clearance adjustment.
- Engine Valve Train Use: Designed for proper valve spring seating and preload management in engine rebuilds.
Specifications
| Brand | Speedmaster |
| MPN | PCE271.1023 |
| Product Type | Valve Spring Shim |
| Material | Hardened Steel |
| Outer Diameter | 1.220" |
| Inner Diameter | 0.511" |
| Thickness | 0.030" |
Ideal Applications
- Engine valve train assembly and adjustment
- Automotive engine rebuilds and restoration
- Performance engine tuning and optimization
- Valve clearance correction and maintenance