Speedmaster Chevy Water Pump Pulley Bolt Set 0.750 x 5/16" UNF PCE242.1005

The Speedmaster Chevy Water Pump Pulley Bolt Set (PCE242.1005) is a precision fastener kit engineered specifically for Chevrolet water pump pulley assembly and replacement. This bolt set features exact 0.750 x 5/16" UNF (Unified National Fine) thread specifications, ensuring proper fitment and secure fastening on Chevy engine builds.

Ideal for engine builders, restoration specialists, and mechanic shops performing water pump maintenance or overhauls, this bolt set delivers the critical dimensional accuracy needed for reliable pulley attachment. The UNF thread pitch provides superior holding power compared to coarse fasteners, reducing vibration loosening during engine operation. Whether you're rebuilding a classic Chevy motor or maintaining a late-model application, this bolt set is an essential component for proper water circulation system assembly.

Key Features & Benefits

• Chevy-Specific Design: Engineered for Chevrolet water pump pulley fitment with OEM-compatible specifications.
• 5/16" UNF Threading: Unified National Fine threads provide precision fitment and superior clamping force.
• 0.750" Length: Exact length dimension ensures proper engagement without protrusion or insufficient depth.
• Complete Bolt Set: Includes all fasteners needed for water pump pulley assembly in one kit.
• Engine Build Essential: Critical component for water pump replacement, rebuild, and engine assembly applications.

Specifications

Ideal Applications

• Water pump pulley fastening during engine rebuild or overhaul
• Replacement bolts for existing Chevy water pump pulley assemblies
• Engine restoration projects requiring OEM-spec fastener replacement
• Performance engine builds and custom Chevrolet motor assembly