Coast High Performance 347ci Stroker - Get 347 Cubes From Your 302

Plasma-moly piston rings provide a better seal...

...and exhibit better wear qualities.

Coast uses this custom-sized piston ring compressor. It's a taper-fit design that enables you to insert the piston into the bore without effort.

Coast High Performance double- and triple-checks torque readings on all its engine builds. Repeated checking means never having to say you're sorry later.

Rod- and crank-side clearances are checked and rechecked.

Jeffrey uses this slick cam installation tool to fit the roller cam. The tool screws into the cam for ease of installation, which enables Jeffrey to be gentle on the cam bearings and journals.

Coast High Performance uses screw-in oil gallery plugs instead of original equipment press-in plugs.

...and timing set are installed next.

Don't forget to specify the fuel pump eccentric if your 347 is for a pre-fuel-injected Mustang.

Coast uses new timing covers on its 347 Street Fighter. Be sure to specify your Mustang's model year when ordering.

Next, the end gaskets are installed. For added protection against leaks, it's a good idea to use sealer where the rail gaskets meet the end gaskets.