Grinding valve seats on a flat head block.

We also install hardened seats and guides in flat head blocks.

Assembling an aluminum cylinder head with recessed valve pockets using our Peterson head assembly bench.

Surfacing 24 valve six cylinder industrial cylinder head.

Pressure testing an aluminum cylinder head. Since aluminum is non magnetic, it requires pressure testing to check for cracks.

Sandblasting an aluminum cylinder head.

Magnetic testing a a cast iron cylinder head for cracks.

Performing a three angle valve job on a big block Chevrolet.

Custom grinding a valve adjusting puck on our magnetic base grinder.

Custom made .010 oversize guides for an ISX Cummins. These guides are out therin heads, but not available from Cummins