1、Stainless steel valve, assembly for the ultimate in corrosion control. 2、The electric coil is completely enclosed in epoxy for reliability, more practical and durable. 3、The finned housing, not only looks good but also helps to dissipate heat. 4、Wide, lightweight base for better mounting stability, with good performance. 5、Used in Drag racing to positively lock the front wheels, producing a more effective burnout. Features: Stainless steel valve, assembly for the ultimate in corrosion control. The electric coil is completely enclosed in epoxy for reliability, more practical and durable. The finned housing, not only looks good but also helps to dissipate heat. Wide, lightweight base for better mounting stability, with good performance. Used in Drag racing to positively lock the front wheels, producing a more effective burnout. Specification: Material: Stainless Steel & Aluminum Application: Used in Drag racing to positively lock the front wheels, producing a more effective burnout. Package Includes: 1 * Roll Control Hill Holder Kit Note: Please understand due to the difference between different monitors, the picture may not reflect the actual color of the item.