MACE MANIFOLD GASKET AND SPARK PLUG KIT TO SUIT HOLDEN STATESMAN WM SIDI LLT 3.6L V6This Mace manifold gasket and spark plug kit suits Holden vehicles fitted with SIDI LLT 3. 6L V6 engine. Unfortunately, lifting the intake manifold is necessary to access the spark plugs so this kit has you covered by including a high quality inlet gasket too which, given the age of the car, will mostly likely need to be replaced anyways. Specifications: Gap setting (spark plug): 1. 1mm Contents: 1 X Plenum gasket 1 X Plenum bolt gasket 1 X Lower