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GMS is your partner for the long haul with solid service and reliable parts.
CYLINDER KITS
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       PistonsGMS designs backed with Diamond Pistons' forgings. "The Proof Is In The Performance."- Diamond Pistons 
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       SleevesGMS is a warehouse distributor for Darton Sleeves. We stock finished honed blanks 4.ooo” to 5.125”. 
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       BearingsGMS Offers Rod and Main Bearings for many applications including Hemi. We have coating capabilities by request. Cam Bearings for John Deere and IH are also available. 
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       Piston RingsCall GMS for piston ring sizing options 
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      Connecting RodsGMS offers steel, aluminum, and heat-treated connecting rod options. 
 
        
        
      
    
    FRONT DRIVE COMPONENTS
GMS offers complete modular front drive assemblies and components adaptable to many engine types, Diesel and Alcohol versions available.
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       Balancers
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      Taper Lock Hubs
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       Trigger Wheel Set-Ups
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      Belts, Pulleys and other Accessories
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       Bearing Support
CYLINDER HEADS
Gene’s Machine Shop partners with Hall’s Porting Service to provide Stock Valve to Big Valve Full Port, Steel, Aluminum, and Cast. Aftermarket castings available for IH 466 and John Deere.
MORE SERVICES FROM GMS
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       Dyno TestingOur Dyno services are to prove components and complete engines for durability, not only maximum horsepower. Please call GMS at (513) 756-9900 for details. 
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       Engine Design ConsultationOur main focus at GMS is to provide pre-determined engine packages. GMS can help design and build a unique package to fit your needs. ***Disclaimer: this service is for long term projects, requires a down payment up front, and requires the customer to be responsible for spare parts. We will not stock replacements. 
 
        
        
      
    
     
                        