SKU: HLY45-258
UPC: 090127066768
MPN: 45-258
The Holley Replacement Choke Cap (MPN 45-258) is an OEM electric choke component designed specifically for Holley carburetors that utilize thermostatic choke control systems. This cap is essential for maintaining proper cold-start performance and fuel mixture enrichment during warm-up cycles, making it a valuable part for both restoration projects and routine maintenance.
Engineered to serve as a sealing cover for the choke housing, the cap protects internal components from fuel vapor, moisture, and debris. Its precision-molded design ensures tight tolerances around the choke rod and linkage, allowing for smooth operation without binding or air leaks. The sealed interface is crucial for preserving the integrity of the thermostatic spring assembly, preventing unmetered air from causing lean running conditions.
Mechanics and automotive enthusiasts working on Holley carburetors will find this replacement cap particularly beneficial when addressing issues like rough idle or hard starts. Its direct bolt-on replacement design means no modifications are required, making installation straightforward for anyone familiar with carburetor systems.
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