Back to Blog Home
The 2007–11 Rocker Box Gasket Kit 111–117ci is a factory-engineered OEM gasket set designed specifically for Big Dog Motorcycles equipped with 111ci and 117ci engines. Over time, rocker box gaskets naturally degrade due to heat cycles, vibration, and oil exposure. When these gaskets begin to fail, riders often notice oil seepage around the top end, increased engine noise, or a general decline in sealing integrity. This complete OEM kit provides all the necessary gaskets to restore proper top-end sealing, helping your engine maintain clean operation and long-term performance.
This gasket kit is precision-cut to Big Dog’s exact specifications, ensuring a perfect fit on 2007–2011 models using the 111ci or 117ci powerplants. Using genuine Big Dog Motorcycle Parts is crucial in high-heat areas like the rocker box, where aftermarket gaskets may not withstand prolonged engine temperatures or maintain correct compression. The OEM materials included in this kit offer superior sealing capability, resisting shrinkage, blowout, and premature failure under demanding riding conditions.
Replacing worn rocker box gaskets is an important part of engine maintenance, especially for bikes with higher mileage or those ridden in hot climates. Proper sealing prevents oil leaks that can drip onto hot components, affect cleanliness, or obscure other service areas. It also helps reduce valvetrain noise by ensuring proper cushion and containment for internal components. Riders restoring older Big Dog models often choose this kit as part of a comprehensive top-end refresh to ensure optimal engine reliability.
Installation is straightforward for experienced mechanics and technically inclined riders. The process typically includes removing the rocker boxes, cleaning mating surfaces, inspecting hardware, and installing the new OEM gaskets according to factory torque specifications. Taking time to verify alignment and torque sequence helps ensure a long-lasting seal and trouble-free operation.
For riders who want to stay informed about factory-approved components and proper maintenance strategies, exploring the Big Dog technical blog is highly recommended. Reviewing information about OEM Big Dog Parts helps you select the correct components and maintain the long-term integrity of your motorcycle’s engine.
Whether you’re addressing a current oil leak or completing preventive maintenance on a high-performance Big Dog engine, the 2007–11 Rocker Box Gasket Kit 111–117ci provides the precise fit, durability, and OEM quality required for dependable top-end sealing.