Rear End Differential Gasket – Silicone 

12 Bolt hole gasket  

for 

Chevrolet, Buick, Oldsmobile, and Pontiac Engines

–     Our silicone rubber gaskets are made from aerospace mechanical 

       grade AMS silicone and designed to withstand temperatures 

       up to 400 degrees Fahrenheit.   

–     Therefore, they will not break down and deform or crack up 

        like cork or neoprene.   

–      Our gaskets seal uneven and warped surfaces, and 

        eliminates corrosion.

–      Gaskets are 100% reusable.

FITS:

•  Buick                 1964-1970 
•  Chevrolet        1964-1978
•  Oldsmobile     1968-1970
•  Pontiac             1970-1971 

Part #:      RG-55029

Corresponding #’s:  55029

One silicone gasket – 1/8″ thick 

Gasket has 12 bolt holes

Reusable.

INSTALLATION INSTRUCTIONS:

• Wash the cover and cylinder head surfaces with solvent.  
• Remove all traces of oil.
• The gasket must be installed  DRY – do not use oil or lube of any type
• TORQUE to 20-25 INCH pounds.

DO NOT OVER TIGHTEN 

Over tightening causes the gasket to bulge or squeeze out.

TO REUSE GASKET: 

1.    Wash gasket in hot soapy water.
2.    Rinse off gasket and dry thoroughly.   
3.    Re-install gasket using the above instructions.

PROUDLY MADE IN THE USA.

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