Pioneer Cables 816141 Engine Auxiliary Valve Keeper

Engine Valve Train Keeper for Classic V8 Builds

Pioneer Cables 816141 is an engine auxiliary valve keeper for performance-oriented valve train service. It is listed for a wide range of classic Chrysler, Dodge, Chevrolet, Ford, and Mercury applications, including 1967-1969 Ford Mustang, 1966-1974 Chevrolet Corvette, and 1970-1974 Dodge Challenger builds with the specified 3/8" single groove machined kit note.

Key Features

• Brand: Pioneer Cables
• Part number: 816141
• Category: Engine > Valve Train Components
• Part type: Engine Auxiliary Valve Keeper
• Fitment notes: Kit - Hi-Perf. - 3/8" Single Groove - Machined
• Compatible with a broad range of classic Chrysler, Dodge, Chevrolet, Ford, and Mercury engine applications

Application Details

This Pioneer Cables 816141 valve keeper is cataloged for performance and restoration work across multiple vintage platforms. It appears in fitment for Chrysler 300, Newport, New Yorker, Imperial, LeBaron, Fifth Avenue, and Town & Country; Dodge Charger, Challenger, Dart, Monaco, Aspen, and Magnum; Chevrolet Caprice, Impala, Bel Air, Malibu, Monte Carlo, Corvette, Camaro, and El Camino; Ford LTD, Mustang, and Thunderbird; plus Mercury Colony Park, Marauder, Marquis, Cougar, Montego, and Villager. The fitment notes should be matched carefully to the engine and valve train configuration before ordering.

Common Uses

• Replacing worn or damaged valve keepers during cylinder head service
• Supporting valve train rebuilds on classic muscle car engines
• Addressing valve retention issues found during top-end inspection
• Restoring proper valve train geometry in performance engine assemblies

Installation Notes

Verify the engine’s valve stem, groove style, and keeper specification before installation. Because the catalog notes call out a hi-perf 3/8" single groove machined application, confirm the head and valve hardware match that configuration. For best results, inspect related valve train components for wear and replace any damaged parts during service. This part number is 816141, and the same application is also referenced by Pioneer Cables 816141 in catalog listings.

Quality Assurance

Pioneer Cables catalogs this part within engine valve train components for specific classic vehicle applications. Confirm fitment against the vehicle listing and engine configuration before assembly.