45-Years of Race-Winning History

Vance & Hines Motorsports

Performance Driven

Engine Services

With 45 years of experience in racing, Vance & Hines Motorsports offers specialized services in REM Polishing, Surface Grinding, and Honing (Cylinder Head Bore) to enhance engine performance and efficiency. Our expertise is grounded in a long history of success in competitive racing.

Customized Packages

Cylinder Head Service

Cylinder Head Services at Vance & Hines Motorsports are meticulously crafted for street applications and high-performance engines alike. We specialize in an array of services designed to optimize your engine's cylinder head for peak efficiency and power output. Our offerings include precision CNC porting utilizing state-of-the-art equipment, precise boring for oversized buckets, expert valve guide replacement, welding of emission holes, valve seat replacement, and much more. Additionally, we provide an array of aftermarket valvetrain components to enhance performance and durability. With Vance & Hines, you get professional cylinder services that cater precisely to your individual needs.

Smoother Performance

REM Polishing

Vance & Hines Motorsports offers REM Polishing, a specialized metal finishing service perfect for enhancing engine performance. This unique isotropic superfinishing process is essential for reducing friction and wear on engine components, leading to increased durability and efficiency. Ideal for high-performance engines, our REM Polishing service ensures smoother operation and improved power transfer. Trust Vance & Hines for expert REM Polishing, a key service for maintaining peak engine condition.

Precision Machining

Surface Grinding

Vance & Hines Motorsports provides professional Surface Grinding services, essential for achieving flatness and parallelism in high-performance engine components. This precision machining process is crucial for ensuring optimal gasket sealing and engine efficiency. Specializing in surface grinding for cylinder heads and blocks, our service is a key factor in enhancing engine performance. Choose Vance & Hines Motorsports for reliable and expert Surface Grinding, a vital service for maintaining superior engine functionality in racing applications.

Improved Output & Longevity

Honing (Cylinder Bore)

Vance & Hines Motorsports offers a premium Cylinder Bore Honing service designed to enhance the performance of your engine. Using state-of-the-art honing equipment, each cylinder is meticulously refined to achieve a precision surface finish. This process not only optimizes the mating surface for piston rings but also ensures better oil retention, reduced friction, and improved combustion. The result is a smoother running engine, with improved power output and longevity. Whether for racing applications or everyday riding, their honing service is tailored to meet the high-performance standards expected by their customers.

Improved Performance & Durability

Backcut Transmission Gears

Vance & Hines Motorsports offers a Backcut Transmission Gears service, an essential upgrade for those seeking improved performance and durability from their motorcycle's transmission. This service involves the precise re-machining of the gear teeth to an angled profile, which allows for more positive engagement under load. The backcutting process increases the contact surface area between gears, resulting in smoother shifting, reduced chance of gear slippage, and enhanced power delivery to the rear wheel. Ideal for high-stress racing environments as well as for the avid enthusiast looking for a more reliable and responsive riding experience, Vance & Hines Motorsports' expert technicians ensure that each gear is backcut to the highest standards of quality and performance.

Schedule a part for service

Contact us to schedule your part for service.

45 Years of Race-Winning History

Cylinder Head Services

Learn more about the services for each category by clicking the options below.

Vhm Cylinder Service Hd Vtwin

HD/ V-Twin

Vhm Cylinder Service Off Road


Vhm Cylinder Service Road Race

Road Race

Vhm Cylinder Service Flat Track

Flat Track

Vhm Cylinder Service Sreet Strip

Street Strip

Vhm Cylinder Service Drag Bike

Drag Bike