Yella Terra Valve Cover Spacer Seal - GM LS Series Spray Adhesive Loc Wire requires that a

Loc Wire requires that a special receiver groove be machined into the cylinder head

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1970-1976 Chevrolet Impala

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Yella Terra Valve Cover Spacer Seal - GM LS Series Spray Adhesive Loc Wire requires that aProduct Description: Valve Cover Spacer Seal Rubber GM LS Series Yella Terra has been designing, developing and manufacturing High Performance products in Australia for over 50 years! Over 60 Years of Performance Innovation! From humble beginnings in the early 1960s Dyno Dave Bennett and his staff have built Yella Terra into Australias leading manufacturer of Roller Rockers, Performance Cylinder Heads, Superchargers and Billet Flywheels & Flexplates.