Speedmaster PCE466.1006 LS1 LS3 Supercharger Crankshaft Spacer Hub 1.250" Corvette Balancer

The Speedmaster PCE466.1006 is a precision crankshaft spacer hub engineered for LS1 and LS3 engines fitted with supercharger kits. This component measures 1.250" and is specifically designed to work with Corvette balancer assemblies, providing critical spacing and alignment for supercharged engine builds. The spacer hub ensures proper clearance and fitment between the crankshaft, supercharger assembly, and balancer components.

Constructed to OEM specifications, this spacer hub is an essential part for supercharger installations on LS-series engines in Corvettes and compatible vehicles. Installation of the correct spacer hub prevents binding, reduces vibration, and maintains precise engine geometry during high-performance supercharged operation. Whether building a street or competition supercharged LS engine, this Speedmaster component delivers the dimensional accuracy required for reliable, balanced power delivery.

Key Features & Benefits

• LS1/LS3 Compatible: Engineered specifically for LS1 and LS3 engine platforms with supercharger installations.
• 1.250" Bore Dimension: Precision 1.250" bore size designed for proper crankshaft and balancer alignment.
• Corvette Balancer Fit: Manufactured to work seamlessly with Corvette balancer assemblies and supercharger kits.
• Supercharger Application: Purpose-built spacer hub for supercharged engine builds requiring precise crankshaft spacing.

Specifications

Ideal Applications

• LS1 and LS3 supercharger engine builds
• Corvette high-performance engine installations
• Custom supercharged LS engine assembly
• Performance engine balancer and crankshaft alignment