Precision Engine Machining Done Right
Rottler SG8MTS
Cylinder Head Machine
Our Rottler SG8MTS is dedicated to precision cylinder head machining. It is used for valve seat work, guide work, resurfacing, and accurate setup for both stock and performance cylinder heads. Used for: - Valve jobs - Seat cutting - Guide work - Cylinder head machining
Sunnen SV-10 Diamond Hone
Honing Machine
The Sunnen SV-10 Diamond Hone delivers precise cylinder sizing and surface finish for excellent ring seal, oil control, and engine durability. A key machine for quality engine builds. Used for: - Cylinder honing - Final bore sizing - Performance builds - Ring seal prep
Bridgeport Mill
Milling Machine
Bridgeport mills remain essential for custom machining and one-off work. Ideal for fabrication, repairs, drilling, slotting, and specialty automotive modifications. Used for: - Broken bolt extraction - Repair machining - Drilling - Slotting - Prototype parts
CWT Multi-Bal 5500 Dynamic Balancer
Balancing Machine
The CWT Multi-Bal 5500 is used to dynamically balance crankshafts and rotating assemblies for smoother operation, higher RPM stability, and longer engine life. Used for: - Crankshaft balancing - Rotating assemblies - Performance builds - High RPM reliability
Big Green
Surface Machine
Our surfacing machine is used to restore perfectly flat sealing surfaces on cylinder heads, engine blocks, manifolds, and other critical components. Proper surface finish is essential for head gasket seal, compression retention, and long-term reliability. Whether it is a stock rebuild or high-performance engine, accurate surfacing helps ensure every build starts with a solid foundation. Used for: - Cylinder head resurfacing - Block decking - Manifold resurfacing - MLS gasket surface prep - Warp correction - Final sealing surface finish
Sunnen CH-100
Align Honer
Our Sunnen CH-100 fine-tunes main housing bores to exact size and finish after align boring. This process helps ensure proper bearing clearance and smooth crankshaft operation. Used for: - Align honing - Main housing sizing - Bearing clearance setup - Performance block prep
Real Equipment. Real Results.
At Exton Auto Machine, quality starts with the right equipment and the experience to use it properly. Our machines allow us to hold tight tolerances, deliver accurate results, and build dependable power for street, race, and restoration projects.