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What Can We Do?

Cylinder Heads

-Disassembly

-Cleaning / Degreasing

-Pressure Testing/Crack Checking

-Valve Grinding (including back cutting and tip repair)

-Valve Seat Cutting (3-5 angles and radius seats) 

-Valve Seat Replacement

-Valve Guide Replacement

-Guide Sizing (via carbide reamer and diamond hone) 

-Surfacing (using CBN for cast iron and PCD for aluminum) 

-Spring Pocket Cutting

-Correcting Valve Stem Heights (for proper geometry)

-Vacuum Testing (for valve job integrity)

-Valvetrain Setup

-Flow Bench Testing

-Cam Journal Correction

-Intake/Exhaust Manifold Flange Milling 

-Porting and Combustion Chamber Work

-Chamber Volume Measuring

-Aluminum Head Welding

-Broken Bolt Extraction/Thread Repair

-Assembly â€‹

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Blocks 

Coming eventually! (we get many inquires about this and can at least make shop recommendations for you)

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General Machine Work 

We Have A Well Equipped Machine Shop - Ask Us!

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© 2025 by Mission Motorwerks

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