Peterson Fluid Systems Swivel Water Neck -16 AN 30010R Most people believe that the

Most people believe that the tang inside a valve lock is what actually holds the valve spring retainer and spring in place while the engine is running

Installs with 3M automotive-grade adhesive

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1968-1970 Dodge Coronet 440 CID 440 Naturally Aspirated GAS

1987-1989 Chevrolet G10

Peterson Fluid Systems Swivel Water Neck -16 AN 30010R Most people believe that theNecks swivel 360 for exact hose alignment. Viton seals are used internally and the flange is O Ring sealed. Improvements include hard coat anodizing for improved wear and a secondary locking pin for fitting retention. Proven in NASCAR Cup. Note: In the event it is necessary to dissasemble above water necks, it is necessary to replace the spiral lock ring if it has been damaged or bent during disassembly. Use extreme care when reinstaling tne spiral