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and 6 aluminum thumb nuts
Spark plug gap tool quickly and accurately gaps 14mm threaded spark plugs
of tube for proper fit
Kits fit most aftermarket race and GM stock Metric spindles
Includes multi-function odometer with dual resettable trip readings and acceleration and braking performance tests
Cometic 4.060 MLS Head Gasket .027 - SBF 20-PRY-NB-XS and 6 aluminum thumb nutsComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 027". Cometic MLS (Multi Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two
