My tuner found a leak and so the parts are new
077 198 025A, Valve Cover Gasket Set 1
07/31/2013 Sales 077 198 217, Tensioner Gasket Kit 2
07/31/2013 Sales 078 103 113E, Cam Plug 2
07/31/2013 Hours Install Valve Cover, Cam Adjusters and
Cam Plugs 20hrs
is this reasonable?