Yella Terra 0.500" Tall Valve Cover Spacer O-Ring Seal/Hardware Included Aluminum Natural - GM LS-Series GBDL1 Bolts have 7/8"-9 threads and

Bolts have 7/8"-9 threads and are available in a fixed or swivel end design

1973-1974 Pontiac Grand Am

1992-2016 Audi S4

Screw Driver Style Tool w/ Comfortable Plastic & Rubber Grip Handle

Yella Terra 0.500" Tall Valve Cover Spacer O-Ring Seal/Hardware Included Aluminum Natural - GM LS-Series GBDL1 Bolts have 7/8"-9 threads andProduct Description: Valve Cover Spacer 0. 984 in Tall O Ring Seal Hardware Included Aluminum Natural 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,