Speedmaster PCE272.1002 LS1 Dual Valve Springs 130Lbs @ 1.800" 1.290" OD

The Speedmaster PCE272.1002 is a high-performance dual valve spring set engineered for LS1 engine applications. These OEM-quality springs deliver 130 lbs of load at 1.800" installed height, making them ideal for stock and lightly modified LS engines that require reliable valve control and consistent performance across a wide RPM range.

With a 1.290" outer diameter and 1.180" coil bind specification, these dual valve springs provide the durability and precision needed for sustained engine operation. The springs are specifically designed to work with LS1 cylinder heads, ensuring proper fitment and valve train harmonics. Whether you're building a stock LS1 motor or refreshing an existing engine, these springs deliver the engineering and quality that enthusiasts and rebuilders trust for dependable performance.

Key Features & Benefits

• LS1 Fitment: Engineered specifically for LS1 cylinder heads and engine platforms.
• Dual Spring Design: Dual valve spring construction provides improved stability and harmonics.
• 130 Lbs Load: Rated at 130 lbs load at 1.800" installed height for proper valve control.
• Precise Specifications: 1.290" outer diameter with 1.180" coil bind for exact fitment and clearance.
• Engine Rebuild Quality: Manufactured to OEM standards for reliable long-term performance in LS engine applications.

Specifications

Ideal Applications

• LS1 engine rebuilds and long-block assembly
• Performance and stock engine valve train maintenance
• LS engine swaps and conversions
• Cylinder head restoration and repair