Speedmaster PCE273.1063 Oldsmobile 400 425 455 2.072" STD 11/32" Stainless Steel Intake Valves

The Speedmaster PCE273.1063 stainless steel intake valves are engineered for Oldsmobile 400, 425, and 455 big-block engines. These precision-manufactured valves feature a 2.072-inch head diameter and 11/32-inch stem diameter in stainless steel construction, delivering durability and corrosion resistance for high-performance and rebuild applications.

Stainless steel construction provides superior durability and longevity compared to standard steel valves, resisting oxidation and thermal stress. The PCE273.1063 valves are designed as a direct fit for OEM specifications on 400, 425, and 455 Oldsmobile engines, making them ideal for engine rebuilds, performance upgrades, and restoration projects. Whether you're restoring a classic muscle car or performing a complete engine overhaul, these intake valves deliver the reliability and precision fit that serious engine builders demand.

Key Features & Benefits

• Stainless Steel Construction: Corrosion-resistant stainless steel material withstands thermal cycling and extends valve life.
• 2.072" Head Diameter: Precision-ground head diameter matches OEM Oldsmobile 400, 425, and 455 specifications.
• 11/32" Stem Diameter: Standard stem size ensures proper fit in original cylinder heads and common aftermarket replacements.
• Oldsmobile Big-Block Compatibility: Direct fit for 400, 425, and 455 Oldsmobile engines in classic and muscle car applications.
• Engine Rebuild Ready: Manufactured to OEM tolerances for seamless installation during complete engine overhauls.

Specifications

Ideal Applications

• Oldsmobile 400, 425, and 455 big-block engine rebuilds and restorations
• Classic muscle car engine overhauls and performance upgrades
• Complete engine machine shop rebuilds requiring OEM-spec replacement valves
• Vintage Oldsmobile vehicle restoration and mechanical preservation